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Finding the Fourth Proportional to 109,630.66, 151,290.76 and 59,329.66

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Solution

The fourth proportional to 109,630.66, 151,290.76 and 59,329.66 is: 81,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.66 : 151,290.76 = 59,329.66 : x
  2. Step 2: Convert to fraction form
    109,630.66/151,290.76 = 59,329.66/x
  3. Step 3: Cross multiply
    109,630.66x = 151,290.76 × 59,329.66
  4. Step 4: Simplify right side
    109,630.66x = 8,976,029,351.94
  5. Step 5: Solve for x
    x = 8,976,029,351.94/109,630.66
  6. Step 6: Final answer
    x = 81,875.17

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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.