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Finding the Fourth Proportional to 181,920.60, 272,880.90 and 93,347.10

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Solution

The fourth proportional to 181,920.60, 272,880.90 and 93,347.10 is: 140,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,920.60 : 272,880.90 = 93,347.10 : x
  2. Step 2: Convert to fraction form
    181,920.60/272,880.90 = 93,347.10/x
  3. Step 3: Cross multiply
    181,920.60x = 272,880.90 × 93,347.10
  4. Step 4: Simplify right side
    181,920.60x = 25,472,640,660.39
  5. Step 5: Solve for x
    x = 25,472,640,660.39/181,920.60
  6. Step 6: Final answer
    x = 140,020.65

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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.