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Finding the Fourth Proportional to 372,160.60, 558,173.95 and 98,608.65

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Solution

The fourth proportional to 372,160.60, 558,173.95 and 98,608.65 is: 147,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,160.60 : 558,173.95 = 98,608.65 : x
  2. Step 2: Convert to fraction form
    372,160.60/558,173.95 = 98,608.65/x
  3. Step 3: Cross multiply
    372,160.60x = 558,173.95 × 98,608.65
  4. Step 4: Simplify right side
    372,160.60x = 55,040,779,674.67
  5. Step 5: Solve for x
    x = 55,040,779,674.67/372,160.60
  6. Step 6: Final answer
    x = 147,895.24

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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.