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Finding the Fourth Proportional to 108,612.96, 162,817.29 and 58,618.14

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Solution

The fourth proportional to 108,612.96, 162,817.29 and 58,618.14 is: 87,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612.96 : 162,817.29 = 58,618.14 : x
  2. Step 2: Convert to fraction form
    108,612.96/162,817.29 = 58,618.14/x
  3. Step 3: Cross multiply
    108,612.96x = 162,817.29 × 58,618.14
  4. Step 4: Simplify right side
    108,612.96x = 9,544,046,699.64
  5. Step 5: Solve for x
    x = 9,544,046,699.64/108,612.96
  6. Step 6: Final answer
    x = 87,872.08

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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.