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Finding the Fourth Proportional to 125,597.79, 173,293.70 and 74,589.12

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Solution

The fourth proportional to 125,597.79, 173,293.70 and 74,589.12 is: 102,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,597.79 : 173,293.70 = 74,589.12 : x
  2. Step 2: Convert to fraction form
    125,597.79/173,293.70 = 74,589.12/x
  3. Step 3: Cross multiply
    125,597.79x = 173,293.70 × 74,589.12
  4. Step 4: Simplify right side
    125,597.79x = 12,925,824,211.60
  5. Step 5: Solve for x
    x = 12,925,824,211.60/125,597.79
  6. Step 6: Final answer
    x = 102,914.42

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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.