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Finding the Fourth Proportional to 119,034.76, 178,663.50 and 62,916.52

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Solution

The fourth proportional to 119,034.76, 178,663.50 and 62,916.52 is: 94,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,034.76 : 178,663.50 = 62,916.52 : x
  2. Step 2: Convert to fraction form
    119,034.76/178,663.50 = 62,916.52/x
  3. Step 3: Cross multiply
    119,034.76x = 178,663.50 × 62,916.52
  4. Step 4: Simplify right side
    119,034.76x = 11,240,885,671.02
  5. Step 5: Solve for x
    x = 11,240,885,671.02/119,034.76
  6. Step 6: Final answer
    x = 94,433.64

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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.