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Finding the Fourth Proportional to 232,572.48, 348,825.76 and 74,780.80

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Solution

The fourth proportional to 232,572.48, 348,825.76 and 74,780.80 is: 112,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,572.48 : 348,825.76 = 74,780.80 : x
  2. Step 2: Convert to fraction form
    232,572.48/348,825.76 = 74,780.80/x
  3. Step 3: Cross multiply
    232,572.48x = 348,825.76 × 74,780.80
  4. Step 4: Simplify right side
    232,572.48x = 26,085,469,393.41
  5. Step 5: Solve for x
    x = 26,085,469,393.41/232,572.48
  6. Step 6: Final answer
    x = 112,160.60

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1.5x scale

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.