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Finding the Fourth Proportional to 109,572.48, 164,358.90 and 26,466.48

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Solution

The fourth proportional to 109,572.48, 164,358.90 and 26,466.48 is: 39,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,572.48 : 164,358.90 = 26,466.48 : x
  2. Step 2: Convert to fraction form
    109,572.48/164,358.90 = 26,466.48/x
  3. Step 3: Cross multiply
    109,572.48x = 164,358.90 × 26,466.48
  4. Step 4: Simplify right side
    109,572.48x = 4,350,001,539.67
  5. Step 5: Solve for x
    x = 4,350,001,539.67/109,572.48
  6. Step 6: Final answer
    x = 39,699.76

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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.