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Finding the Fourth Proportional to 235,220.10, 352,830.15 and 57,724.80

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Solution

The fourth proportional to 235,220.10, 352,830.15 and 57,724.80 is: 86,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,220.10 : 352,830.15 = 57,724.80 : x
  2. Step 2: Convert to fraction form
    235,220.10/352,830.15 = 57,724.80/x
  3. Step 3: Cross multiply
    235,220.10x = 352,830.15 × 57,724.80
  4. Step 4: Simplify right side
    235,220.10x = 20,367,049,842.72
  5. Step 5: Solve for x
    x = 20,367,049,842.72/235,220.10
  6. Step 6: Final answer
    x = 86,587.20

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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.