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Finding the Fourth Proportional to 202,572.54, 279,545.51 and 111,928.68

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Solution

The fourth proportional to 202,572.54, 279,545.51 and 111,928.68 is: 154,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,572.54 : 279,545.51 = 111,928.68 : x
  2. Step 2: Convert to fraction form
    202,572.54/279,545.51 = 111,928.68/x
  3. Step 3: Cross multiply
    202,572.54x = 279,545.51 × 111,928.68
  4. Step 4: Simplify right side
    202,572.54x = 31,289,160,214.05
  5. Step 5: Solve for x
    x = 31,289,160,214.05/202,572.54
  6. Step 6: Final answer
    x = 154,459.04

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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.