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Finding the Fourth Proportional to 109,677.56, 151,355.76 and 59,376.56

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Solution

The fourth proportional to 109,677.56, 151,355.76 and 59,376.56 is: 81,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,677.56 : 151,355.76 = 59,376.56 : x
  2. Step 2: Convert to fraction form
    109,677.56/151,355.76 = 59,376.56/x
  3. Step 3: Cross multiply
    109,677.56x = 151,355.76 × 59,376.56
  4. Step 4: Simplify right side
    109,677.56x = 8,986,984,364.99
  5. Step 5: Solve for x
    x = 8,986,984,364.99/109,677.56
  6. Step 6: Final answer
    x = 81,940.05

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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.