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Finding the Fourth Proportional to 265,549.17, 398,107.38 and 123,484.13

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Solution

The fourth proportional to 265,549.17, 398,107.38 and 123,484.13 is: 185,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,549.17 : 398,107.38 = 123,484.13 : x
  2. Step 2: Convert to fraction form
    265,549.17/398,107.38 = 123,484.13/x
  3. Step 3: Cross multiply
    265,549.17x = 398,107.38 × 123,484.13
  4. Step 4: Simplify right side
    265,549.17x = 49,159,941,475.34
  5. Step 5: Solve for x
    x = 49,159,941,475.34/265,549.17
  6. Step 6: Final answer
    x = 185,125.57

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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.