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Finding the Fourth Proportional to 130,211.67, 195,324.20 and 36,724.71

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Solution

The fourth proportional to 130,211.67, 195,324.20 and 36,724.71 is: 55,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211.67 : 195,324.20 = 36,724.71 : x
  2. Step 2: Convert to fraction form
    130,211.67/195,324.20 = 36,724.71/x
  3. Step 3: Cross multiply
    130,211.67x = 195,324.20 × 36,724.71
  4. Step 4: Simplify right side
    130,211.67x = 7,173,224,417.36
  5. Step 5: Solve for x
    x = 7,173,224,417.36/130,211.67
  6. Step 6: Final answer
    x = 55,088.95

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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.