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Finding the Fourth Proportional to 125,897.42, 173,738.31 and 69,308.84

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Solution

The fourth proportional to 125,897.42, 173,738.31 and 69,308.84 is: 95,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,897.42 : 173,738.31 = 69,308.84 : x
  2. Step 2: Convert to fraction form
    125,897.42/173,738.31 = 69,308.84/x
  3. Step 3: Cross multiply
    125,897.42x = 173,738.31 × 69,308.84
  4. Step 4: Simplify right side
    125,897.42x = 12,041,600,729.66
  5. Step 5: Solve for x
    x = 12,041,600,729.66/125,897.42
  6. Step 6: Final answer
    x = 95,646.13

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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.