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Finding the Fourth Proportional to 117,874.82, 176,838.96 and 38,988.92

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Solution

The fourth proportional to 117,874.82, 176,838.96 and 38,988.92 is: 58,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,874.82 : 176,838.96 = 38,988.92 : x
  2. Step 2: Convert to fraction form
    117,874.82/176,838.96 = 38,988.92/x
  3. Step 3: Cross multiply
    117,874.82x = 176,838.96 × 38,988.92
  4. Step 4: Simplify right side
    117,874.82x = 6,894,760,064.32
  5. Step 5: Solve for x
    x = 6,894,760,064.32/117,874.82
  6. Step 6: Final answer
    x = 58,492.22

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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.