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Finding the Fourth Proportional to 178,107.16, 267,160.02 and 72,926.20

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Solution

The fourth proportional to 178,107.16, 267,160.02 and 72,926.20 is: 109,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,107.16 : 267,160.02 = 72,926.20 : x
  2. Step 2: Convert to fraction form
    178,107.16/267,160.02 = 72,926.20/x
  3. Step 3: Cross multiply
    178,107.16x = 267,160.02 × 72,926.20
  4. Step 4: Simplify right side
    178,107.16x = 19,482,965,050.52
  5. Step 5: Solve for x
    x = 19,482,965,050.52/178,107.16
  6. Step 6: Final answer
    x = 109,389.01

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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.