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Finding the Fourth Proportional to 334,112.10, 501,168.15 and 156,965.10

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Solution

The fourth proportional to 334,112.10, 501,168.15 and 156,965.10 is: 235,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,112.10 : 501,168.15 = 156,965.10 : x
  2. Step 2: Convert to fraction form
    334,112.10/501,168.15 = 156,965.10/x
  3. Step 3: Cross multiply
    334,112.10x = 501,168.15 × 156,965.10
  4. Step 4: Simplify right side
    334,112.10x = 78,665,908,781.57
  5. Step 5: Solve for x
    x = 78,665,908,781.57/334,112.10
  6. Step 6: Final answer
    x = 235,447.65

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1.5x scale

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.