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Finding the Fourth Proportional to 169,719.60, 254,502.60 and 64,503.60

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Solution

The fourth proportional to 169,719.60, 254,502.60 and 64,503.60 is: 96,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,719.60 : 254,502.60 = 64,503.60 : x
  2. Step 2: Convert to fraction form
    169,719.60/254,502.60 = 64,503.60/x
  3. Step 3: Cross multiply
    169,719.60x = 254,502.60 × 64,503.60
  4. Step 4: Simplify right side
    169,719.60x = 16,416,333,909.36
  5. Step 5: Solve for x
    x = 16,416,333,909.36/169,719.60
  6. Step 6: Final answer
    x = 96,726.21

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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.