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Finding the Fourth Proportional to 169,698.56, 254,307.12 and 124,974.56

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Solution

The fourth proportional to 169,698.56, 254,307.12 and 124,974.56 is: 187,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,698.56 : 254,307.12 = 124,974.56 : x
  2. Step 2: Convert to fraction form
    169,698.56/254,307.12 = 124,974.56/x
  3. Step 3: Cross multiply
    169,698.56x = 254,307.12 × 124,974.56
  4. Step 4: Simplify right side
    169,698.56x = 31,781,920,426.87
  5. Step 5: Solve for x
    x = 31,781,920,426.87/169,698.56
  6. Step 6: Final answer
    x = 187,284.56

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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.