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Finding the Fourth Proportional to 169,211.16, 253,838.52 and 56,842.92

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Solution

The fourth proportional to 169,211.16, 253,838.52 and 56,842.92 is: 85,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,211.16 : 253,838.52 = 56,842.92 : x
  2. Step 2: Convert to fraction form
    169,211.16/253,838.52 = 56,842.92/x
  3. Step 3: Cross multiply
    169,211.16x = 253,838.52 × 56,842.92
  4. Step 4: Simplify right side
    169,211.16x = 14,428,922,685.28
  5. Step 5: Solve for x
    x = 14,428,922,685.28/169,211.16
  6. Step 6: Final answer
    x = 85,271.70

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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.