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Finding the Fourth Proportional to 114,481.92, 157,988.16 and 64,179.84

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Solution

The fourth proportional to 114,481.92, 157,988.16 and 64,179.84 is: 88,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,481.92 : 157,988.16 = 64,179.84 : x
  2. Step 2: Convert to fraction form
    114,481.92/157,988.16 = 64,179.84/x
  3. Step 3: Cross multiply
    114,481.92x = 157,988.16 × 64,179.84
  4. Step 4: Simplify right side
    114,481.92x = 10,139,654,830.69
  5. Step 5: Solve for x
    x = 10,139,654,830.69/114,481.92
  6. Step 6: Final answer
    x = 88,569.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.