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Finding the Fourth Proportional to 283,843,681.71, 425,768,934.30 and 111,401,706.03

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Solution

The fourth proportional to 283,843,681.71, 425,768,934.30 and 111,401,706.03 is: 167,103,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,843,681.71 : 425,768,934.30 = 111,401,706.03 : x
  2. Step 2: Convert to fraction form
    283,843,681.71/425,768,934.30 = 111,401,706.03/x
  3. Step 3: Cross multiply
    283,843,681.71x = 425,768,934.30 × 111,401,706.03
  4. Step 4: Simplify right side
    283,843,681.71x = 47,431,385,655,594,984
  5. Step 5: Solve for x
    x = 47,431,385,655,594,984/283,843,681.71
  6. Step 6: Final answer
    x = 167,103,898.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.