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Finding the Fourth Proportional to 153,354.60, 230,049.54 and 74,411.64

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Solution

The fourth proportional to 153,354.60, 230,049.54 and 74,411.64 is: 111,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,354.60 : 230,049.54 = 74,411.64 : x
  2. Step 2: Convert to fraction form
    153,354.60/230,049.54 = 74,411.64/x
  3. Step 3: Cross multiply
    153,354.60x = 230,049.54 × 74,411.64
  4. Step 4: Simplify right side
    153,354.60x = 17,118,363,552.65
  5. Step 5: Solve for x
    x = 17,118,363,552.65/153,354.60
  6. Step 6: Final answer
    x = 111,626.02

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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.