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Finding the Fourth Proportional to 110,652.54, 152,698.53 and 64,716.63

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Solution

The fourth proportional to 110,652.54, 152,698.53 and 64,716.63 is: 89,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,652.54 : 152,698.53 = 64,716.63 : x
  2. Step 2: Convert to fraction form
    110,652.54/152,698.53 = 64,716.63/x
  3. Step 3: Cross multiply
    110,652.54x = 152,698.53 × 64,716.63
  4. Step 4: Simplify right side
    110,652.54x = 9,882,134,267.55
  5. Step 5: Solve for x
    x = 9,882,134,267.55/110,652.54
  6. Step 6: Final answer
    x = 89,307.79

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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.