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Finding the Fourth Proportional to 110,900.34, 153,069.95 and 63,182.03

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Solution

The fourth proportional to 110,900.34, 153,069.95 and 63,182.03 is: 87,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,900.34 : 153,069.95 = 63,182.03 : x
  2. Step 2: Convert to fraction form
    110,900.34/153,069.95 = 63,182.03/x
  3. Step 3: Cross multiply
    110,900.34x = 153,069.95 × 63,182.03
  4. Step 4: Simplify right side
    110,900.34x = 9,671,269,565.60
  5. Step 5: Solve for x
    x = 9,671,269,565.60/110,900.34
  6. Step 6: Final answer
    x = 87,206.85

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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.