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Finding the Fourth Proportional to 110,752.28, 152,837.28 and 63,005.60

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Solution

The fourth proportional to 110,752.28, 152,837.28 and 63,005.60 is: 86,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,752.28 : 152,837.28 = 63,005.60 : x
  2. Step 2: Convert to fraction form
    110,752.28/152,837.28 = 63,005.60/x
  3. Step 3: Cross multiply
    110,752.28x = 152,837.28 × 63,005.60
  4. Step 4: Simplify right side
    110,752.28x = 9,629,604,528.77
  5. Step 5: Solve for x
    x = 9,629,604,528.77/110,752.28
  6. Step 6: Final answer
    x = 86,947.24

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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.