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Finding the Fourth Proportional to 157,791.05, 217,754.46 and 96,547.46

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Solution

The fourth proportional to 157,791.05, 217,754.46 and 96,547.46 is: 133,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,791.05 : 217,754.46 = 96,547.46 : x
  2. Step 2: Convert to fraction form
    157,791.05/217,754.46 = 96,547.46/x
  3. Step 3: Cross multiply
    157,791.05x = 217,754.46 × 96,547.46
  4. Step 4: Simplify right side
    157,791.05x = 21,023,638,927.90
  5. Step 5: Solve for x
    x = 21,023,638,927.90/157,791.05
  6. Step 6: Final answer
    x = 133,237.21

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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.