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Finding the Fourth Proportional to 176,411.20, 243,468.42 and 104,791.60

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Solution

The fourth proportional to 176,411.20, 243,468.42 and 104,791.60 is: 144,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,411.20 : 243,468.42 = 104,791.60 : x
  2. Step 2: Convert to fraction form
    176,411.20/243,468.42 = 104,791.60/x
  3. Step 3: Cross multiply
    176,411.20x = 243,468.42 × 104,791.60
  4. Step 4: Simplify right side
    176,411.20x = 25,513,445,281.27
  5. Step 5: Solve for x
    x = 25,513,445,281.27/176,411.20
  6. Step 6: Final answer
    x = 144,624.86

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1.5x scale

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.