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Finding the Fourth Proportional to 180,792.60, 249,489.48 and 104,311.86

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Solution

The fourth proportional to 180,792.60, 249,489.48 and 104,311.86 is: 143,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,792.60 : 249,489.48 = 104,311.86 : x
  2. Step 2: Convert to fraction form
    180,792.60/249,489.48 = 104,311.86/x
  3. Step 3: Cross multiply
    180,792.60x = 249,489.48 × 104,311.86
  4. Step 4: Simplify right side
    180,792.60x = 26,024,711,709.23
  5. Step 5: Solve for x
    x = 26,024,711,709.23/180,792.60
  6. Step 6: Final answer
    x = 143,947.88

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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.