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Finding the Fourth Proportional to 172,256.48, 237,701.68 and 96,816.48

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Solution

The fourth proportional to 172,256.48, 237,701.68 and 96,816.48 is: 133,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,256.48 : 237,701.68 = 96,816.48 : x
  2. Step 2: Convert to fraction form
    172,256.48/237,701.68 = 96,816.48/x
  3. Step 3: Cross multiply
    172,256.48x = 237,701.68 × 96,816.48
  4. Step 4: Simplify right side
    172,256.48x = 23,013,439,947.69
  5. Step 5: Solve for x
    x = 23,013,439,947.69/172,256.48
  6. Step 6: Final answer
    x = 133,599.85

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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.