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Finding the Fourth Proportional to 299,116.70, 448,521.15 and 88,727.30

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Solution

The fourth proportional to 299,116.70, 448,521.15 and 88,727.30 is: 133,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,116.70 : 448,521.15 = 88,727.30 : x
  2. Step 2: Convert to fraction form
    299,116.70/448,521.15 = 88,727.30/x
  3. Step 3: Cross multiply
    299,116.70x = 448,521.15 × 88,727.30
  4. Step 4: Simplify right side
    299,116.70x = 39,796,070,632.40
  5. Step 5: Solve for x
    x = 39,796,070,632.40/299,116.70
  6. Step 6: Final answer
    x = 133,045.30

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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.