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Finding the Fourth Proportional to 90,606.60, 125,053.40 and 52,360.86

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Solution

The fourth proportional to 90,606.60, 125,053.40 and 52,360.86 is: 72,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,606.60 : 125,053.40 = 52,360.86 : x
  2. Step 2: Convert to fraction form
    90,606.60/125,053.40 = 52,360.86/x
  3. Step 3: Cross multiply
    90,606.60x = 125,053.40 × 52,360.86
  4. Step 4: Simplify right side
    90,606.60x = 6,547,904,169.78
  5. Step 5: Solve for x
    x = 6,547,904,169.78/90,606.60
  6. Step 6: Final answer
    x = 72,267.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.