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Finding the Fourth Proportional to 110,580.40, 152,605.02 and 62,841.76

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Solution

The fourth proportional to 110,580.40, 152,605.02 and 62,841.76 is: 86,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,580.40 : 152,605.02 = 62,841.76 : x
  2. Step 2: Convert to fraction form
    110,580.40/152,605.02 = 62,841.76/x
  3. Step 3: Cross multiply
    110,580.40x = 152,605.02 × 62,841.76
  4. Step 4: Simplify right side
    110,580.40x = 9,589,968,041.64
  5. Step 5: Solve for x
    x = 9,589,968,041.64/110,580.40
  6. Step 6: Final answer
    x = 86,723.94

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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.