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Finding the Fourth Proportional to 119,266.72, 178,948.96 and 63,092.16

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Solution

The fourth proportional to 119,266.72, 178,948.96 and 63,092.16 is: 94,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,266.72 : 178,948.96 = 63,092.16 : x
  2. Step 2: Convert to fraction form
    119,266.72/178,948.96 = 63,092.16/x
  3. Step 3: Cross multiply
    119,266.72x = 178,948.96 × 63,092.16
  4. Step 4: Simplify right side
    119,266.72x = 11,290,276,416.15
  5. Step 5: Solve for x
    x = 11,290,276,416.15/119,266.72
  6. Step 6: Final answer
    x = 94,664.10

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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.