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Finding the Fourth Proportional to 125,937.51, 173,798.01 and 68,579.04

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Solution

The fourth proportional to 125,937.51, 173,798.01 and 68,579.04 is: 94,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,937.51 : 173,798.01 = 68,579.04 : x
  2. Step 2: Convert to fraction form
    125,937.51/173,798.01 = 68,579.04/x
  3. Step 3: Cross multiply
    125,937.51x = 173,798.01 × 68,579.04
  4. Step 4: Simplify right side
    125,937.51x = 11,918,900,679.71
  5. Step 5: Solve for x
    x = 11,918,900,679.71/125,937.51
  6. Step 6: Final answer
    x = 94,641.39

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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.