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Finding the Fourth Proportional to 220,225.56, 303,915.26 and 124,752.08

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Solution

The fourth proportional to 220,225.56, 303,915.26 and 124,752.08 is: 172,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,225.56 : 303,915.26 = 124,752.08 : x
  2. Step 2: Convert to fraction form
    220,225.56/303,915.26 = 124,752.08/x
  3. Step 3: Cross multiply
    220,225.56x = 303,915.26 × 124,752.08
  4. Step 4: Simplify right side
    220,225.56x = 37,914,060,828.74
  5. Step 5: Solve for x
    x = 37,914,060,828.74/220,225.56
  6. Step 6: Final answer
    x = 172,160.13

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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.