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Finding the Fourth Proportional to 125,503.35, 173,194.25 and 75,202.35

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Solution

The fourth proportional to 125,503.35, 173,194.25 and 75,202.35 is: 103,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503.35 : 173,194.25 = 75,202.35 : x
  2. Step 2: Convert to fraction form
    125,503.35/173,194.25 = 75,202.35/x
  3. Step 3: Cross multiply
    125,503.35x = 173,194.25 × 75,202.35
  4. Step 4: Simplify right side
    125,503.35x = 13,024,614,230.48
  5. Step 5: Solve for x
    x = 13,024,614,230.48/125,503.35
  6. Step 6: Final answer
    x = 103,779.02

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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.