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Finding the Fourth Proportional to 61,041.67, 91,703.23 and 58,519.46

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Solution

The fourth proportional to 61,041.67, 91,703.23 and 58,519.46 is: 87,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,041.67 : 91,703.23 = 58,519.46 : x
  2. Step 2: Convert to fraction form
    61,041.67/91,703.23 = 58,519.46/x
  3. Step 3: Cross multiply
    61,041.67x = 91,703.23 × 58,519.46
  4. Step 4: Simplify right side
    61,041.67x = 5,366,423,582.82
  5. Step 5: Solve for x
    x = 5,366,423,582.82/61,041.67
  6. Step 6: Final answer
    x = 87,914.11

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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.