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Finding the Fourth Proportional to 125,510.35, 173,202.15 and 68,921.32

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Solution

The fourth proportional to 125,510.35, 173,202.15 and 68,921.32 is: 95,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,510.35 : 173,202.15 = 68,921.32 : x
  2. Step 2: Convert to fraction form
    125,510.35/173,202.15 = 68,921.32/x
  3. Step 3: Cross multiply
    125,510.35x = 173,202.15 × 68,921.32
  4. Step 4: Simplify right side
    125,510.35x = 11,937,320,804.84
  5. Step 5: Solve for x
    x = 11,937,320,804.84/125,510.35
  6. Step 6: Final answer
    x = 95,110.25

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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.