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Finding the Fourth Proportional to 110,896.59, 153,064.77 and 63,178.29

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Solution

The fourth proportional to 110,896.59, 153,064.77 and 63,178.29 is: 87,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,896.59 : 153,064.77 = 63,178.29 : x
  2. Step 2: Convert to fraction form
    110,896.59/153,064.77 = 63,178.29/x
  3. Step 3: Cross multiply
    110,896.59x = 153,064.77 × 63,178.29
  4. Step 4: Simplify right side
    110,896.59x = 9,670,370,427.84
  5. Step 5: Solve for x
    x = 9,670,370,427.84/110,896.59
  6. Step 6: Final answer
    x = 87,201.69

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1.5x scale

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.