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Finding the Fourth Proportional to 176,551.29, 243,639.75 and 100,084.80

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Solution

The fourth proportional to 176,551.29, 243,639.75 and 100,084.80 is: 138,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,551.29 : 243,639.75 = 100,084.80 : x
  2. Step 2: Convert to fraction form
    176,551.29/243,639.75 = 100,084.80/x
  3. Step 3: Cross multiply
    176,551.29x = 243,639.75 × 100,084.80
  4. Step 4: Simplify right side
    176,551.29x = 24,384,635,650.80
  5. Step 5: Solve for x
    x = 24,384,635,650.80/176,551.29
  6. Step 6: Final answer
    x = 138,116.44

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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.