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Finding the Fourth Proportional to 125,955.20, 173,788.34 and 71,495.26

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Solution

The fourth proportional to 125,955.20, 173,788.34 and 71,495.26 is: 98,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,955.20 : 173,788.34 = 71,495.26 : x
  2. Step 2: Convert to fraction form
    125,955.20/173,788.34 = 71,495.26/x
  3. Step 3: Cross multiply
    125,955.20x = 173,788.34 × 71,495.26
  4. Step 4: Simplify right side
    125,955.20x = 12,425,041,761.32
  5. Step 5: Solve for x
    x = 12,425,041,761.32/125,955.20
  6. Step 6: Final answer
    x = 98,646.51

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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.