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Finding the Fourth Proportional to 235,801.61, 325,488.23 and 140,306.25

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Solution

The fourth proportional to 235,801.61, 325,488.23 and 140,306.25 is: 193,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,801.61 : 325,488.23 = 140,306.25 : x
  2. Step 2: Convert to fraction form
    235,801.61/325,488.23 = 140,306.25/x
  3. Step 3: Cross multiply
    235,801.61x = 325,488.23 × 140,306.25
  4. Step 4: Simplify right side
    235,801.61x = 45,668,032,970.44
  5. Step 5: Solve for x
    x = 45,668,032,970.44/235,801.61
  6. Step 6: Final answer
    x = 193,671.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.