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Finding the Fourth Proportional to 234,049.64, 322,985.33 and 130,685.43

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Solution

The fourth proportional to 234,049.64, 322,985.33 and 130,685.43 is: 180,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,049.64 : 322,985.33 = 130,685.43 : x
  2. Step 2: Convert to fraction form
    234,049.64/322,985.33 = 130,685.43/x
  3. Step 3: Cross multiply
    234,049.64x = 322,985.33 × 130,685.43
  4. Step 4: Simplify right side
    234,049.64x = 42,209,476,081.31
  5. Step 5: Solve for x
    x = 42,209,476,081.31/234,049.64
  6. Step 6: Final answer
    x = 180,344.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.