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Finding the Fourth Proportional to 169,402.60, 254,204.70 and 64,232.20

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Solution

The fourth proportional to 169,402.60, 254,204.70 and 64,232.20 is: 96,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,402.60 : 254,204.70 = 64,232.20 : x
  2. Step 2: Convert to fraction form
    169,402.60/254,204.70 = 64,232.20/x
  3. Step 3: Cross multiply
    169,402.60x = 254,204.70 × 64,232.20
  4. Step 4: Simplify right side
    169,402.60x = 16,328,127,131.34
  5. Step 5: Solve for x
    x = 16,328,127,131.34/169,402.60
  6. Step 6: Final answer
    x = 96,386.52

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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.