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Finding the Fourth Proportional to 177,703,655.20, 266,574,145.20 and 56,506,919.20

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Solution

The fourth proportional to 177,703,655.20, 266,574,145.20 and 56,506,919.20 is: 84,766,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,703,655.20 : 266,574,145.20 = 56,506,919.20 : x
  2. Step 2: Convert to fraction form
    177,703,655.20/266,574,145.20 = 56,506,919.20/x
  3. Step 3: Cross multiply
    177,703,655.20x = 266,574,145.20 × 56,506,919.20
  4. Step 4: Simplify right side
    177,703,655.20x = 15,063,283,683,625,468
  5. Step 5: Solve for x
    x = 15,063,283,683,625,468/177,703,655.20
  6. Step 6: Final answer
    x = 84,766,313.14

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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.