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Finding the Fourth Proportional to 110,808.59, 153,948.18 and 109,479.98

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Solution

The fourth proportional to 110,808.59, 153,948.18 and 109,479.98 is: 152,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,808.59 : 153,948.18 = 109,479.98 : x
  2. Step 2: Convert to fraction form
    110,808.59/153,948.18 = 109,479.98/x
  3. Step 3: Cross multiply
    110,808.59x = 153,948.18 × 109,479.98
  4. Step 4: Simplify right side
    110,808.59x = 16,854,243,667.44
  5. Step 5: Solve for x
    x = 16,854,243,667.44/110,808.59
  6. Step 6: Final answer
    x = 152,102.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.