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Finding the Fourth Proportional to 159,695.20, 239,542.80 and 93,210.40

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Solution

The fourth proportional to 159,695.20, 239,542.80 and 93,210.40 is: 139,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,695.20 : 239,542.80 = 93,210.40 : x
  2. Step 2: Convert to fraction form
    159,695.20/239,542.80 = 93,210.40/x
  3. Step 3: Cross multiply
    159,695.20x = 239,542.80 × 93,210.40
  4. Step 4: Simplify right side
    159,695.20x = 22,327,880,205.12
  5. Step 5: Solve for x
    x = 22,327,880,205.12/159,695.20
  6. Step 6: Final answer
    x = 139,815.60

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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.