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Finding the Fourth Proportional to 156,560.95, 216,051.40 and 95,284.96

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Solution

The fourth proportional to 156,560.95, 216,051.40 and 95,284.96 is: 131,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560.95 : 216,051.40 = 95,284.96 : x
  2. Step 2: Convert to fraction form
    156,560.95/216,051.40 = 95,284.96/x
  3. Step 3: Cross multiply
    156,560.95x = 216,051.40 × 95,284.96
  4. Step 4: Simplify right side
    156,560.95x = 20,586,448,585.92
  5. Step 5: Solve for x
    x = 20,586,448,585.92/156,560.95
  6. Step 6: Final answer
    x = 131,491.59

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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.