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Finding the Fourth Proportional to 119,812.86, 179,478.72 and 59,660.10

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Solution

The fourth proportional to 119,812.86, 179,478.72 and 59,660.10 is: 89,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,812.86 : 179,478.72 = 59,660.10 : x
  2. Step 2: Convert to fraction form
    119,812.86/179,478.72 = 59,660.10/x
  3. Step 3: Cross multiply
    119,812.86x = 179,478.72 × 59,660.10
  4. Step 4: Simplify right side
    119,812.86x = 10,707,718,383.07
  5. Step 5: Solve for x
    x = 10,707,718,383.07/119,812.86
  6. Step 6: Final answer
    x = 89,370.36

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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.