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Finding the Fourth Proportional to 162,569.60, 244,437.60 and 136,908.80

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Solution

The fourth proportional to 162,569.60, 244,437.60 and 136,908.80 is: 205,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,569.60 : 244,437.60 = 136,908.80 : x
  2. Step 2: Convert to fraction form
    162,569.60/244,437.60 = 136,908.80/x
  3. Step 3: Cross multiply
    162,569.60x = 244,437.60 × 136,908.80
  4. Step 4: Simplify right side
    162,569.60x = 33,465,658,490.88
  5. Step 5: Solve for x
    x = 33,465,658,490.88/162,569.60
  6. Step 6: Final answer
    x = 205,854.34

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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.