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Finding the Fourth Proportional to 71,648,895.70, 107,473,343.55 and 71,648,895.70

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Solution

The fourth proportional to 71,648,895.70, 107,473,343.55 and 71,648,895.70 is: 107,473,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,895.70 : 107,473,343.55 = 71,648,895.70 : x
  2. Step 2: Convert to fraction form
    71,648,895.70/107,473,343.55 = 71,648,895.70/x
  3. Step 3: Cross multiply
    71,648,895.70x = 107,473,343.55 × 71,648,895.70
  4. Step 4: Simplify right side
    71,648,895.70x = 7,700,346,382,544,218
  5. Step 5: Solve for x
    x = 7,700,346,382,544,218/71,648,895.70
  6. Step 6: Final answer
    x = 107,473,343.55

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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.