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Finding the Fourth Proportional to 235,108.80, 352,663.20 and 124,516.80

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Solution

The fourth proportional to 235,108.80, 352,663.20 and 124,516.80 is: 186,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,108.80 : 352,663.20 = 124,516.80 : x
  2. Step 2: Convert to fraction form
    235,108.80/352,663.20 = 124,516.80/x
  3. Step 3: Cross multiply
    235,108.80x = 352,663.20 × 124,516.80
  4. Step 4: Simplify right side
    235,108.80x = 43,912,493,141.76
  5. Step 5: Solve for x
    x = 43,912,493,141.76/235,108.80
  6. Step 6: Final answer
    x = 186,775.20

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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.