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Finding the Fourth Proportional to 101,209.76, 151,830.96 and 38,034.80

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Solution

The fourth proportional to 101,209.76, 151,830.96 and 38,034.80 is: 57,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,209.76 : 151,830.96 = 38,034.80 : x
  2. Step 2: Convert to fraction form
    101,209.76/151,830.96 = 38,034.80/x
  3. Step 3: Cross multiply
    101,209.76x = 151,830.96 × 38,034.80
  4. Step 4: Simplify right side
    101,209.76x = 5,774,860,197.41
  5. Step 5: Solve for x
    x = 5,774,860,197.41/101,209.76
  6. Step 6: Final answer
    x = 57,058.33

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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.