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Finding the Fourth Proportional to 110,600.64, 152,619.80 and 62,199.90

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Solution

The fourth proportional to 110,600.64, 152,619.80 and 62,199.90 is: 85,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,600.64 : 152,619.80 = 62,199.90 : x
  2. Step 2: Convert to fraction form
    110,600.64/152,619.80 = 62,199.90/x
  3. Step 3: Cross multiply
    110,600.64x = 152,619.80 × 62,199.90
  4. Step 4: Simplify right side
    110,600.64x = 9,492,935,987.02
  5. Step 5: Solve for x
    x = 9,492,935,987.02/110,600.64
  6. Step 6: Final answer
    x = 85,830.75

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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.