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Finding the Fourth Proportional to 125,539.37, 188,319.29 and 58,943.16

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Solution

The fourth proportional to 125,539.37, 188,319.29 and 58,943.16 is: 88,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,539.37 : 188,319.29 = 58,943.16 : x
  2. Step 2: Convert to fraction form
    125,539.37/188,319.29 = 58,943.16/x
  3. Step 3: Cross multiply
    125,539.37x = 188,319.29 × 58,943.16
  4. Step 4: Simplify right side
    125,539.37x = 11,100,133,746.84
  5. Step 5: Solve for x
    x = 11,100,133,746.84/125,539.37
  6. Step 6: Final answer
    x = 88,419.55

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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.