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Finding the Fourth Proportional to 169,359.60, 254,140.20 and 64,189.20

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Solution

The fourth proportional to 169,359.60, 254,140.20 and 64,189.20 is: 96,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,359.60 : 254,140.20 = 64,189.20 : x
  2. Step 2: Convert to fraction form
    169,359.60/254,140.20 = 64,189.20/x
  3. Step 3: Cross multiply
    169,359.60x = 254,140.20 × 64,189.20
  4. Step 4: Simplify right side
    169,359.60x = 16,313,056,125.84
  5. Step 5: Solve for x
    x = 16,313,056,125.84/169,359.60
  6. Step 6: Final answer
    x = 96,322.00

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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.