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Finding the Fourth Proportional to 108,492.90, 162,747.45 and 38,363.10

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Solution

The fourth proportional to 108,492.90, 162,747.45 and 38,363.10 is: 57,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,492.90 : 162,747.45 = 38,363.10 : x
  2. Step 2: Convert to fraction form
    108,492.90/162,747.45 = 38,363.10/x
  3. Step 3: Cross multiply
    108,492.90x = 162,747.45 × 38,363.10
  4. Step 4: Simplify right side
    108,492.90x = 6,243,496,699.10
  5. Step 5: Solve for x
    x = 6,243,496,699.10/108,492.90
  6. Step 6: Final answer
    x = 57,547.51

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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.