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Finding the Fourth Proportional to 125,401.95, 188,095.77 and 91,702.44

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Solution

The fourth proportional to 125,401.95, 188,095.77 and 91,702.44 is: 137,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,401.95 : 188,095.77 = 91,702.44 : x
  2. Step 2: Convert to fraction form
    125,401.95/188,095.77 = 91,702.44/x
  3. Step 3: Cross multiply
    125,401.95x = 188,095.77 × 91,702.44
  4. Step 4: Simplify right side
    125,401.95x = 17,248,841,062.68
  5. Step 5: Solve for x
    x = 17,248,841,062.68/125,401.95
  6. Step 6: Final answer
    x = 137,548.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.