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Finding the Fourth Proportional to 104,282.54, 156,423.76 and 37,721.19

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Solution

The fourth proportional to 104,282.54, 156,423.76 and 37,721.19 is: 56,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,282.54 : 156,423.76 = 37,721.19 : x
  2. Step 2: Convert to fraction form
    104,282.54/156,423.76 = 37,721.19/x
  3. Step 3: Cross multiply
    104,282.54x = 156,423.76 × 37,721.19
  4. Step 4: Simplify right side
    104,282.54x = 5,900,490,863.76
  5. Step 5: Solve for x
    x = 5,900,490,863.76/104,282.54
  6. Step 6: Final answer
    x = 56,581.77

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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.