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Finding the Fourth Proportional to 101,615.88, 152,352.54 and 54,899.40

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Solution

The fourth proportional to 101,615.88, 152,352.54 and 54,899.40 is: 82,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,615.88 : 152,352.54 = 54,899.40 : x
  2. Step 2: Convert to fraction form
    101,615.88/152,352.54 = 54,899.40/x
  3. Step 3: Cross multiply
    101,615.88x = 152,352.54 × 54,899.40
  4. Step 4: Simplify right side
    101,615.88x = 8,364,063,034.48
  5. Step 5: Solve for x
    x = 8,364,063,034.48/101,615.88
  6. Step 6: Final answer
    x = 82,310.59

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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.