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Finding the Fourth Proportional to 148,908.30, 223,362.45 and 65,964.30

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Solution

The fourth proportional to 148,908.30, 223,362.45 and 65,964.30 is: 98,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908.30 : 223,362.45 = 65,964.30 : x
  2. Step 2: Convert to fraction form
    148,908.30/223,362.45 = 65,964.30/x
  3. Step 3: Cross multiply
    148,908.30x = 223,362.45 × 65,964.30
  4. Step 4: Simplify right side
    148,908.30x = 14,733,947,660.54
  5. Step 5: Solve for x
    x = 14,733,947,660.54/148,908.30
  6. Step 6: Final answer
    x = 98,946.45

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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.