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Finding the Fourth Proportional to 178,398.84, 267,612.86 and 89,606.68

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Solution

The fourth proportional to 178,398.84, 267,612.86 and 89,606.68 is: 134,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,398.84 : 267,612.86 = 89,606.68 : x
  2. Step 2: Convert to fraction form
    178,398.84/267,612.86 = 89,606.68/x
  3. Step 3: Cross multiply
    178,398.84x = 267,612.86 × 89,606.68
  4. Step 4: Simplify right side
    178,398.84x = 23,979,899,909.90
  5. Step 5: Solve for x
    x = 23,979,899,909.90/178,398.84
  6. Step 6: Final answer
    x = 134,417.35

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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.