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Finding the Fourth Proportional to 101,495.90, 152,025.15 and 83,999.90

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Solution

The fourth proportional to 101,495.90, 152,025.15 and 83,999.90 is: 125,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495.90 : 152,025.15 = 83,999.90 : x
  2. Step 2: Convert to fraction form
    101,495.90/152,025.15 = 83,999.90/x
  3. Step 3: Cross multiply
    101,495.90x = 152,025.15 × 83,999.90
  4. Step 4: Simplify right side
    101,495.90x = 12,770,097,397.49
  5. Step 5: Solve for x
    x = 12,770,097,397.49/101,495.90
  6. Step 6: Final answer
    x = 125,818.85

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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.