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Finding the Fourth Proportional to 169,304.12, 254,008.80 and 69,472.40

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Solution

The fourth proportional to 169,304.12, 254,008.80 and 69,472.40 is: 104,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,304.12 : 254,008.80 = 69,472.40 : x
  2. Step 2: Convert to fraction form
    169,304.12/254,008.80 = 69,472.40/x
  3. Step 3: Cross multiply
    169,304.12x = 254,008.80 × 69,472.40
  4. Step 4: Simplify right side
    169,304.12x = 17,646,600,957.12
  5. Step 5: Solve for x
    x = 17,646,600,957.12/169,304.12
  6. Step 6: Final answer
    x = 104,230.19

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1.5x scale

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.