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Finding the Fourth Proportional to 169,250.80, 253,973.40 and 64,145.20

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Solution

The fourth proportional to 169,250.80, 253,973.40 and 64,145.20 is: 96,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,250.80 : 253,973.40 = 64,145.20 : x
  2. Step 2: Convert to fraction form
    169,250.80/253,973.40 = 64,145.20/x
  3. Step 3: Cross multiply
    169,250.80x = 253,973.40 × 64,145.20
  4. Step 4: Simplify right side
    169,250.80x = 16,291,174,537.68
  5. Step 5: Solve for x
    x = 16,291,174,537.68/169,250.80
  6. Step 6: Final answer
    x = 96,254.64

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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.