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Finding the Fourth Proportional to 223,000.80, 334,413.68 and 89,856.24

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Solution

The fourth proportional to 223,000.80, 334,413.68 and 89,856.24 is: 134,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,000.80 : 334,413.68 = 89,856.24 : x
  2. Step 2: Convert to fraction form
    223,000.80/334,413.68 = 89,856.24/x
  3. Step 3: Cross multiply
    223,000.80x = 334,413.68 × 89,856.24
  4. Step 4: Simplify right side
    223,000.80x = 30,049,155,889.36
  5. Step 5: Solve for x
    x = 30,049,155,889.36/223,000.80
  6. Step 6: Final answer
    x = 134,749.09

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1.5x scale

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.