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Finding the Fourth Proportional to 185,433.80, 278,085.90 and 96,657.80

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Solution

The fourth proportional to 185,433.80, 278,085.90 and 96,657.80 is: 144,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433.80 : 278,085.90 = 96,657.80 : x
  2. Step 2: Convert to fraction form
    185,433.80/278,085.90 = 96,657.80/x
  3. Step 3: Cross multiply
    185,433.80x = 278,085.90 × 96,657.80
  4. Step 4: Simplify right side
    185,433.80x = 26,879,171,305.02
  5. Step 5: Solve for x
    x = 26,879,171,305.02/185,433.80
  6. Step 6: Final answer
    x = 144,952.92

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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.