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Finding the Fourth Proportional to 370,441.32, 555,657.84 and 89,958.84

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Solution

The fourth proportional to 370,441.32, 555,657.84 and 89,958.84 is: 134,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,441.32 : 555,657.84 = 89,958.84 : x
  2. Step 2: Convert to fraction form
    370,441.32/555,657.84 = 89,958.84/x
  3. Step 3: Cross multiply
    370,441.32x = 555,657.84 × 89,958.84
  4. Step 4: Simplify right side
    370,441.32x = 49,986,334,723.31
  5. Step 5: Solve for x
    x = 49,986,334,723.31/370,441.32
  6. Step 6: Final answer
    x = 134,937.25

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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.