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Finding the Fourth Proportional to 125,876.79, 173,703.56 and 69,277.23

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Solution

The fourth proportional to 125,876.79, 173,703.56 and 69,277.23 is: 95,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.79 : 173,703.56 = 69,277.23 : x
  2. Step 2: Convert to fraction form
    125,876.79/173,703.56 = 69,277.23/x
  3. Step 3: Cross multiply
    125,876.79x = 173,703.56 × 69,277.23
  4. Step 4: Simplify right side
    125,876.79x = 12,033,701,131.55
  5. Step 5: Solve for x
    x = 12,033,701,131.55/125,876.79
  6. Step 6: Final answer
    x = 95,599.05

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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.