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Finding the Fourth Proportional to 108,394.29, 162,443.70 and 52,230.30

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Solution

The fourth proportional to 108,394.29, 162,443.70 and 52,230.30 is: 78,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,394.29 : 162,443.70 = 52,230.30 : x
  2. Step 2: Convert to fraction form
    108,394.29/162,443.70 = 52,230.30/x
  3. Step 3: Cross multiply
    108,394.29x = 162,443.70 × 52,230.30
  4. Step 4: Simplify right side
    108,394.29x = 8,484,483,184.11
  5. Step 5: Solve for x
    x = 8,484,483,184.11/108,394.29
  6. Step 6: Final answer
    x = 78,274.26

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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.