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Finding the Fourth Proportional to 185,853.80, 260,720.20 and 185,853.80

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Solution

The fourth proportional to 185,853.80, 260,720.20 and 185,853.80 is: 260,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,853.80 : 260,720.20 = 185,853.80 : x
  2. Step 2: Convert to fraction form
    185,853.80/260,720.20 = 185,853.80/x
  3. Step 3: Cross multiply
    185,853.80x = 260,720.20 × 185,853.80
  4. Step 4: Simplify right side
    185,853.80x = 48,455,839,906.76
  5. Step 5: Solve for x
    x = 48,455,839,906.76/185,853.80
  6. Step 6: Final answer
    x = 260,720.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.