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Finding the Fourth Proportional to 96,171.40, 144,141.90 and 49,400.20

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Solution

The fourth proportional to 96,171.40, 144,141.90 and 49,400.20 is: 74,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,171.40 : 144,141.90 = 49,400.20 : x
  2. Step 2: Convert to fraction form
    96,171.40/144,141.90 = 49,400.20/x
  3. Step 3: Cross multiply
    96,171.40x = 144,141.90 × 49,400.20
  4. Step 4: Simplify right side
    96,171.40x = 7,120,638,688.38
  5. Step 5: Solve for x
    x = 7,120,638,688.38/96,171.40
  6. Step 6: Final answer
    x = 74,041.13

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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.