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Finding the Fourth Proportional to 60,657,209.70, 90,985,814.55 and 60,657,209.70

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Solution

The fourth proportional to 60,657,209.70, 90,985,814.55 and 60,657,209.70 is: 90,985,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,657,209.70 : 90,985,814.55 = 60,657,209.70 : x
  2. Step 2: Convert to fraction form
    60,657,209.70/90,985,814.55 = 60,657,209.70/x
  3. Step 3: Cross multiply
    60,657,209.70x = 90,985,814.55 × 60,657,209.70
  4. Step 4: Simplify right side
    60,657,209.70x = 5,518,945,632,884,661
  5. Step 5: Solve for x
    x = 5,518,945,632,884,661/60,657,209.70
  6. Step 6: Final answer
    x = 90,985,814.55

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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.