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Finding the Fourth Proportional to 110,551.69, 152,561.91 and 62,807.77

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Solution

The fourth proportional to 110,551.69, 152,561.91 and 62,807.77 is: 86,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,551.69 : 152,561.91 = 62,807.77 : x
  2. Step 2: Convert to fraction form
    110,551.69/152,561.91 = 62,807.77/x
  3. Step 3: Cross multiply
    110,551.69x = 152,561.91 × 62,807.77
  4. Step 4: Simplify right side
    110,551.69x = 9,582,073,354.04
  5. Step 5: Solve for x
    x = 9,582,073,354.04/110,551.69
  6. Step 6: Final answer
    x = 86,675.05

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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.