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Finding the Fourth Proportional to 243,850.80, 365,630.40 and 125,752.80

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Solution

The fourth proportional to 243,850.80, 365,630.40 and 125,752.80 is: 188,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,850.80 : 365,630.40 = 125,752.80 : x
  2. Step 2: Convert to fraction form
    243,850.80/365,630.40 = 125,752.80/x
  3. Step 3: Cross multiply
    243,850.80x = 365,630.40 × 125,752.80
  4. Step 4: Simplify right side
    243,850.80x = 45,979,046,565.12
  5. Step 5: Solve for x
    x = 45,979,046,565.12/243,850.80
  6. Step 6: Final answer
    x = 188,554.01

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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.