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Finding the Fourth Proportional to 156,903.67, 216,649.25 and 96,502.38

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Solution

The fourth proportional to 156,903.67, 216,649.25 and 96,502.38 is: 133,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,903.67 : 216,649.25 = 96,502.38 : x
  2. Step 2: Convert to fraction form
    156,903.67/216,649.25 = 96,502.38/x
  3. Step 3: Cross multiply
    156,903.67x = 216,649.25 × 96,502.38
  4. Step 4: Simplify right side
    156,903.67x = 20,907,168,250.22
  5. Step 5: Solve for x
    x = 20,907,168,250.22/156,903.67
  6. Step 6: Final answer
    x = 133,248.43

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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.