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Finding the Fourth Proportional to 119,050.98, 178,612.11 and 71,717.82

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Solution

The fourth proportional to 119,050.98, 178,612.11 and 71,717.82 is: 107,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,050.98 : 178,612.11 = 71,717.82 : x
  2. Step 2: Convert to fraction form
    119,050.98/178,612.11 = 71,717.82/x
  3. Step 3: Cross multiply
    119,050.98x = 178,612.11 × 71,717.82
  4. Step 4: Simplify right side
    119,050.98x = 12,809,671,154.80
  5. Step 5: Solve for x
    x = 12,809,671,154.80/119,050.98
  6. Step 6: Final answer
    x = 107,598.20

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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.