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Finding the Fourth Proportional to 220,312.68, 304,030.44 and 124,819.17

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Solution

The fourth proportional to 220,312.68, 304,030.44 and 124,819.17 is: 172,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,312.68 : 304,030.44 = 124,819.17 : x
  2. Step 2: Convert to fraction form
    220,312.68/304,030.44 = 124,819.17/x
  3. Step 3: Cross multiply
    220,312.68x = 304,030.44 × 124,819.17
  4. Step 4: Simplify right side
    220,312.68x = 37,948,827,175.53
  5. Step 5: Solve for x
    x = 37,948,827,175.53/220,312.68
  6. Step 6: Final answer
    x = 172,249.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.