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Finding the Fourth Proportional to 61,187.40, 91,802.70 and 59,027.40

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Solution

The fourth proportional to 61,187.40, 91,802.70 and 59,027.40 is: 88,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.40 : 91,802.70 = 59,027.40 : x
  2. Step 2: Convert to fraction form
    61,187.40/91,802.70 = 59,027.40/x
  3. Step 3: Cross multiply
    61,187.40x = 91,802.70 × 59,027.40
  4. Step 4: Simplify right side
    61,187.40x = 5,418,874,693.98
  5. Step 5: Solve for x
    x = 5,418,874,693.98/61,187.40
  6. Step 6: Final answer
    x = 88,561.94

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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.