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Finding the Fourth Proportional to 59,551,966.80, 89,327,950.20 and 57,284,485.20

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Solution

The fourth proportional to 59,551,966.80, 89,327,950.20 and 57,284,485.20 is: 85,926,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,551,966.80 : 89,327,950.20 = 57,284,485.20 : x
  2. Step 2: Convert to fraction form
    59,551,966.80/89,327,950.20 = 57,284,485.20/x
  3. Step 3: Cross multiply
    59,551,966.80x = 89,327,950.20 × 57,284,485.20
  4. Step 4: Simplify right side
    59,551,966.80x = 5,117,105,641,178,237
  5. Step 5: Solve for x
    x = 5,117,105,641,178,237/59,551,966.80
  6. Step 6: Final answer
    x = 85,926,727.80

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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.