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Finding the Fourth Proportional to 108,141.40, 162,341.70 and 60,794.20

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Solution

The fourth proportional to 108,141.40, 162,341.70 and 60,794.20 is: 91,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,141.40 : 162,341.70 = 60,794.20 : x
  2. Step 2: Convert to fraction form
    108,141.40/162,341.70 = 60,794.20/x
  3. Step 3: Cross multiply
    108,141.40x = 162,341.70 × 60,794.20
  4. Step 4: Simplify right side
    108,141.40x = 9,869,433,778.14
  5. Step 5: Solve for x
    x = 9,869,433,778.14/108,141.40
  6. Step 6: Final answer
    x = 91,264.16

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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.