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Finding the Fourth Proportional to 169,730.92, 254,623.92 and 57,417.96

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Solution

The fourth proportional to 169,730.92, 254,623.92 and 57,417.96 is: 86,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,730.92 : 254,623.92 = 57,417.96 : x
  2. Step 2: Convert to fraction form
    169,730.92/254,623.92 = 57,417.96/x
  3. Step 3: Cross multiply
    169,730.92x = 254,623.92 × 57,417.96
  4. Step 4: Simplify right side
    169,730.92x = 14,619,986,053.60
  5. Step 5: Solve for x
    x = 14,619,986,053.60/169,730.92
  6. Step 6: Final answer
    x = 86,136.26

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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.