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Finding the Fourth Proportional to 169,887.57, 254,862.12 and 69,992.25

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Solution

The fourth proportional to 169,887.57, 254,862.12 and 69,992.25 is: 105,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,887.57 : 254,862.12 = 69,992.25 : x
  2. Step 2: Convert to fraction form
    169,887.57/254,862.12 = 69,992.25/x
  3. Step 3: Cross multiply
    169,887.57x = 254,862.12 × 69,992.25
  4. Step 4: Simplify right side
    169,887.57x = 17,838,373,218.57
  5. Step 5: Solve for x
    x = 17,838,373,218.57/169,887.57
  6. Step 6: Final answer
    x = 105,001.05

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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.