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Finding the Fourth Proportional to 155,424.60, 232,748.10 and 124,320.60

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Solution

The fourth proportional to 155,424.60, 232,748.10 and 124,320.60 is: 186,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424.60 : 232,748.10 = 124,320.60 : x
  2. Step 2: Convert to fraction form
    155,424.60/232,748.10 = 124,320.60/x
  3. Step 3: Cross multiply
    155,424.60x = 232,748.10 × 124,320.60
  4. Step 4: Simplify right side
    155,424.60x = 28,935,383,440.86
  5. Step 5: Solve for x
    x = 28,935,383,440.86/155,424.60
  6. Step 6: Final answer
    x = 186,169.91

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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.