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Finding the Fourth Proportional to 109,630.90, 151,291.11 and 59,329.90

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Solution

The fourth proportional to 109,630.90, 151,291.11 and 59,329.90 is: 81,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.90 : 151,291.11 = 59,329.90 : x
  2. Step 2: Convert to fraction form
    109,630.90/151,291.11 = 59,329.90/x
  3. Step 3: Cross multiply
    109,630.90x = 151,291.11 × 59,329.90
  4. Step 4: Simplify right side
    109,630.90x = 8,976,086,427.19
  5. Step 5: Solve for x
    x = 8,976,086,427.19/109,630.90
  6. Step 6: Final answer
    x = 81,875.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.