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Finding the Fourth Proportional to 195,725.60, 292,810.80 and 169,719.20

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Solution

The fourth proportional to 195,725.60, 292,810.80 and 169,719.20 is: 253,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,725.60 : 292,810.80 = 169,719.20 : x
  2. Step 2: Convert to fraction form
    195,725.60/292,810.80 = 169,719.20/x
  3. Step 3: Cross multiply
    195,725.60x = 292,810.80 × 169,719.20
  4. Step 4: Simplify right side
    195,725.60x = 49,695,614,727.36
  5. Step 5: Solve for x
    x = 49,695,614,727.36/195,725.60
  6. Step 6: Final answer
    x = 253,904.52

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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.