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Finding the Fourth Proportional to 281,967.39, 423,061.85 and 124,085.13

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Solution

The fourth proportional to 281,967.39, 423,061.85 and 124,085.13 is: 186,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,967.39 : 423,061.85 = 124,085.13 : x
  2. Step 2: Convert to fraction form
    281,967.39/423,061.85 = 124,085.13/x
  3. Step 3: Cross multiply
    281,967.39x = 423,061.85 × 124,085.13
  4. Step 4: Simplify right side
    281,967.39x = 52,495,684,655.29
  5. Step 5: Solve for x
    x = 52,495,684,655.29/281,967.39
  6. Step 6: Final answer
    x = 186,176.44

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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.