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Finding the Fourth Proportional to 148,615.92, 223,000.32 and 98,730.48

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Solution

The fourth proportional to 148,615.92, 223,000.32 and 98,730.48 is: 148,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,615.92 : 223,000.32 = 98,730.48 : x
  2. Step 2: Convert to fraction form
    148,615.92/223,000.32 = 98,730.48/x
  3. Step 3: Cross multiply
    148,615.92x = 223,000.32 × 98,730.48
  4. Step 4: Simplify right side
    148,615.92x = 22,016,928,633.75
  5. Step 5: Solve for x
    x = 22,016,928,633.75/148,615.92
  6. Step 6: Final answer
    x = 148,146.50

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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.