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Finding the Fourth Proportional to 89,852.97, 124,036.94 and 58,037.38

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Solution

The fourth proportional to 89,852.97, 124,036.94 and 58,037.38 is: 80,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,852.97 : 124,036.94 = 58,037.38 : x
  2. Step 2: Convert to fraction form
    89,852.97/124,036.94 = 58,037.38/x
  3. Step 3: Cross multiply
    89,852.97x = 124,036.94 × 58,037.38
  4. Step 4: Simplify right side
    89,852.97x = 7,198,779,020.82
  5. Step 5: Solve for x
    x = 7,198,779,020.82/89,852.97
  6. Step 6: Final answer
    x = 80,117.32

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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.