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Finding the Fourth Proportional to 281,967.87, 423,062.58 and 124,085.61

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Solution

The fourth proportional to 281,967.87, 423,062.58 and 124,085.61 is: 186,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,967.87 : 423,062.58 = 124,085.61 : x
  2. Step 2: Convert to fraction form
    281,967.87/423,062.58 = 124,085.61/x
  3. Step 3: Cross multiply
    281,967.87x = 423,062.58 × 124,085.61
  4. Step 4: Simplify right side
    281,967.87x = 52,495,978,307.47
  5. Step 5: Solve for x
    x = 52,495,978,307.47/281,967.87
  6. Step 6: Final answer
    x = 186,177.16

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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.