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Finding the Fourth Proportional to 110,710.47, 165,208.75 and 98,896.71

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Solution

The fourth proportional to 110,710.47, 165,208.75 and 98,896.71 is: 147,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,710.47 : 165,208.75 = 98,896.71 : x
  2. Step 2: Convert to fraction form
    110,710.47/165,208.75 = 98,896.71/x
  3. Step 3: Cross multiply
    110,710.47x = 165,208.75 × 98,896.71
  4. Step 4: Simplify right side
    110,710.47x = 16,338,601,590.97
  5. Step 5: Solve for x
    x = 16,338,601,590.97/110,710.47
  6. Step 6: Final answer
    x = 147,579.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.