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Finding the Fourth Proportional to 178,366.10, 267,549.15 and 73,130.90

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Solution

The fourth proportional to 178,366.10, 267,549.15 and 73,130.90 is: 109,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,366.10 : 267,549.15 = 73,130.90 : x
  2. Step 2: Convert to fraction form
    178,366.10/267,549.15 = 73,130.90/x
  3. Step 3: Cross multiply
    178,366.10x = 267,549.15 × 73,130.90
  4. Step 4: Simplify right side
    178,366.10x = 19,566,110,133.74
  5. Step 5: Solve for x
    x = 19,566,110,133.74/178,366.10
  6. Step 6: Final answer
    x = 109,696.35

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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.