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Finding the Fourth Proportional to 224,308.61, 336,462.87 and 66,535.69

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Solution

The fourth proportional to 224,308.61, 336,462.87 and 66,535.69 is: 99,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,308.61 : 336,462.87 = 66,535.69 : x
  2. Step 2: Convert to fraction form
    224,308.61/336,462.87 = 66,535.69/x
  3. Step 3: Cross multiply
    224,308.61x = 336,462.87 × 66,535.69
  4. Step 4: Simplify right side
    224,308.61x = 22,386,789,214.83
  5. Step 5: Solve for x
    x = 22,386,789,214.83/224,308.61
  6. Step 6: Final answer
    x = 99,803.52

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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.