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Finding the Fourth Proportional to 157,896.57, 217,897.04 and 89,913.57

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Solution

The fourth proportional to 157,896.57, 217,897.04 and 89,913.57 is: 124,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,896.57 : 217,897.04 = 89,913.57 : x
  2. Step 2: Convert to fraction form
    157,896.57/217,897.04 = 89,913.57/x
  3. Step 3: Cross multiply
    157,896.57x = 217,897.04 × 89,913.57
  4. Step 4: Simplify right side
    157,896.57x = 19,591,899,669.35
  5. Step 5: Solve for x
    x = 19,591,899,669.35/157,896.57
  6. Step 6: Final answer
    x = 124,080.59

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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.