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Finding the Fourth Proportional to 224,971.04, 337,328.76 and 91,695.20

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Solution

The fourth proportional to 224,971.04, 337,328.76 and 91,695.20 is: 137,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,971.04 : 337,328.76 = 91,695.20 : x
  2. Step 2: Convert to fraction form
    224,971.04/337,328.76 = 91,695.20/x
  3. Step 3: Cross multiply
    224,971.04x = 337,328.76 × 91,695.20
  4. Step 4: Simplify right side
    224,971.04x = 30,931,428,113.95
  5. Step 5: Solve for x
    x = 30,931,428,113.95/224,971.04
  6. Step 6: Final answer
    x = 137,490.71

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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.