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Finding the Fourth Proportional to 125,518.97, 173,216.16 and 68,158.01

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Solution

The fourth proportional to 125,518.97, 173,216.16 and 68,158.01 is: 94,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,518.97 : 173,216.16 = 68,158.01 : x
  2. Step 2: Convert to fraction form
    125,518.97/173,216.16 = 68,158.01/x
  3. Step 3: Cross multiply
    125,518.97x = 173,216.16 × 68,158.01
  4. Step 4: Simplify right side
    125,518.97x = 11,806,068,069.76
  5. Step 5: Solve for x
    x = 11,806,068,069.76/125,518.97
  6. Step 6: Final answer
    x = 94,058.04

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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.