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Finding the Fourth Proportional to 125,675.98, 173,436.19 and 68,319.18

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Solution

The fourth proportional to 125,675.98, 173,436.19 and 68,319.18 is: 94,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.98 : 173,436.19 = 68,319.18 : x
  2. Step 2: Convert to fraction form
    125,675.98/173,436.19 = 68,319.18/x
  3. Step 3: Cross multiply
    125,675.98x = 173,436.19 × 68,319.18
  4. Step 4: Simplify right side
    125,675.98x = 11,849,018,112.33
  5. Step 5: Solve for x
    x = 11,849,018,112.33/125,675.98
  6. Step 6: Final answer
    x = 94,282.28

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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.