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Finding the Fourth Proportional to 180,244.10, 270,366.15 and 156,916.10

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Solution

The fourth proportional to 180,244.10, 270,366.15 and 156,916.10 is: 235,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,244.10 : 270,366.15 = 156,916.10 : x
  2. Step 2: Convert to fraction form
    180,244.10/270,366.15 = 156,916.10/x
  3. Step 3: Cross multiply
    180,244.10x = 270,366.15 × 156,916.10
  4. Step 4: Simplify right side
    180,244.10x = 42,424,801,830.02
  5. Step 5: Solve for x
    x = 42,424,801,830.02/180,244.10
  6. Step 6: Final answer
    x = 235,374.15

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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.