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Finding the Fourth Proportional to 58,996.70, 88,939.77 and 55,191.32

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Solution

The fourth proportional to 58,996.70, 88,939.77 and 55,191.32 is: 83,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,996.70 : 88,939.77 = 55,191.32 : x
  2. Step 2: Convert to fraction form
    58,996.70/88,939.77 = 55,191.32/x
  3. Step 3: Cross multiply
    58,996.70x = 88,939.77 × 55,191.32
  4. Step 4: Simplify right side
    58,996.70x = 4,908,702,862.10
  5. Step 5: Solve for x
    x = 4,908,702,862.10/58,996.70
  6. Step 6: Final answer
    x = 83,203.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.