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Finding the Fourth Proportional to 125,365.84, 173,030.33 and 85,092.58

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Solution

The fourth proportional to 125,365.84, 173,030.33 and 85,092.58 is: 117,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,365.84 : 173,030.33 = 85,092.58 : x
  2. Step 2: Convert to fraction form
    125,365.84/173,030.33 = 85,092.58/x
  3. Step 3: Cross multiply
    125,365.84x = 173,030.33 × 85,092.58
  4. Step 4: Simplify right side
    125,365.84x = 14,723,597,197.95
  5. Step 5: Solve for x
    x = 14,723,597,197.95/125,365.84
  6. Step 6: Final answer
    x = 117,445.05

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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.