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Finding the Fourth Proportional to 224,041.32, 336,061.97 and 66,257.48

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Solution

The fourth proportional to 224,041.32, 336,061.97 and 66,257.48 is: 99,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,041.32 : 336,061.97 = 66,257.48 : x
  2. Step 2: Convert to fraction form
    224,041.32/336,061.97 = 66,257.48/x
  3. Step 3: Cross multiply
    224,041.32x = 336,061.97 × 66,257.48
  4. Step 4: Simplify right side
    224,041.32x = 22,266,619,256.04
  5. Step 5: Solve for x
    x = 22,266,619,256.04/224,041.32
  6. Step 6: Final answer
    x = 99,386.22

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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.