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Finding the Fourth Proportional to 96,431.59, 144,656.90 and 33,243.39

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Solution

The fourth proportional to 96,431.59, 144,656.90 and 33,243.39 is: 49,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,431.59 : 144,656.90 = 33,243.39 : x
  2. Step 2: Convert to fraction form
    96,431.59/144,656.90 = 33,243.39/x
  3. Step 3: Cross multiply
    96,431.59x = 144,656.90 × 33,243.39
  4. Step 4: Simplify right side
    96,431.59x = 4,808,885,701.34
  5. Step 5: Solve for x
    x = 4,808,885,701.34/96,431.59
  6. Step 6: Final answer
    x = 49,868.36

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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.