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Finding the Fourth Proportional to 192,040.60, 288,060.90 and 160,547.80

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Solution

The fourth proportional to 192,040.60, 288,060.90 and 160,547.80 is: 240,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,040.60 : 288,060.90 = 160,547.80 : x
  2. Step 2: Convert to fraction form
    192,040.60/288,060.90 = 160,547.80/x
  3. Step 3: Cross multiply
    192,040.60x = 288,060.90 × 160,547.80
  4. Step 4: Simplify right side
    192,040.60x = 46,247,543,761.02
  5. Step 5: Solve for x
    x = 46,247,543,761.02/192,040.60
  6. Step 6: Final answer
    x = 240,821.70

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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.