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Finding the Fourth Proportional to 172,492.40, 238,033.32 and 96,008.96

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Solution

The fourth proportional to 172,492.40, 238,033.32 and 96,008.96 is: 132,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,492.40 : 238,033.32 = 96,008.96 : x
  2. Step 2: Convert to fraction form
    172,492.40/238,033.32 = 96,008.96/x
  3. Step 3: Cross multiply
    172,492.40x = 238,033.32 × 96,008.96
  4. Step 4: Simplify right side
    172,492.40x = 22,853,331,498.55
  5. Step 5: Solve for x
    x = 22,853,331,498.55/172,492.40
  6. Step 6: Final answer
    x = 132,488.92

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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.