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Finding the Fourth Proportional to 178,207.28, 245,925.96 and 97,639.92

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Solution

The fourth proportional to 178,207.28, 245,925.96 and 97,639.92 is: 134,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,207.28 : 245,925.96 = 97,639.92 : x
  2. Step 2: Convert to fraction form
    178,207.28/245,925.96 = 97,639.92/x
  3. Step 3: Cross multiply
    178,207.28x = 245,925.96 × 97,639.92
  4. Step 4: Simplify right side
    178,207.28x = 24,012,191,060.32
  5. Step 5: Solve for x
    x = 24,012,191,060.32/178,207.28
  6. Step 6: Final answer
    x = 134,743.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.