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Finding the Fourth Proportional to 169,444.54, 253,989.47 and 57,085.93

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Solution

The fourth proportional to 169,444.54, 253,989.47 and 57,085.93 is: 85,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,444.54 : 253,989.47 = 57,085.93 : x
  2. Step 2: Convert to fraction form
    169,444.54/253,989.47 = 57,085.93/x
  3. Step 3: Cross multiply
    169,444.54x = 253,989.47 × 57,085.93
  4. Step 4: Simplify right side
    169,444.54x = 14,499,225,105.16
  5. Step 5: Solve for x
    x = 14,499,225,105.16/169,444.54
  6. Step 6: Final answer
    x = 85,569.15

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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.