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Finding the Fourth Proportional to 110,606.42, 152,649.84 and 62,866.95

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Solution

The fourth proportional to 110,606.42, 152,649.84 and 62,866.95 is: 86,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,606.42 : 152,649.84 = 62,866.95 : x
  2. Step 2: Convert to fraction form
    110,606.42/152,649.84 = 62,866.95/x
  3. Step 3: Cross multiply
    110,606.42x = 152,649.84 × 62,866.95
  4. Step 4: Simplify right side
    110,606.42x = 9,596,629,858.79
  5. Step 5: Solve for x
    x = 9,596,629,858.79/110,606.42
  6. Step 6: Final answer
    x = 86,763.77

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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.