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Finding the Fourth Proportional to 60,996,130.40, 91,565,054.40 and 36,762,420.80

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Solution

The fourth proportional to 60,996,130.40, 91,565,054.40 and 36,762,420.80 is: 55,186,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,996,130.40 : 91,565,054.40 = 36,762,420.80 : x
  2. Step 2: Convert to fraction form
    60,996,130.40/91,565,054.40 = 36,762,420.80/x
  3. Step 3: Cross multiply
    60,996,130.40x = 91,565,054.40 × 36,762,420.80
  4. Step 4: Simplify right side
    60,996,130.40x = 3,366,153,060,427,691.50
  5. Step 5: Solve for x
    x = 3,366,153,060,427,691.50/60,996,130.40
  6. Step 6: Final answer
    x = 55,186,337.86

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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.