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Finding the Fourth Proportional to 110,419.66, 152,379.84 and 62,673.81

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Solution

The fourth proportional to 110,419.66, 152,379.84 and 62,673.81 is: 86,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.66 : 152,379.84 = 62,673.81 : x
  2. Step 2: Convert to fraction form
    110,419.66/152,379.84 = 62,673.81/x
  3. Step 3: Cross multiply
    110,419.66x = 152,379.84 × 62,673.81
  4. Step 4: Simplify right side
    110,419.66x = 9,550,225,139.99
  5. Step 5: Solve for x
    x = 9,550,225,139.99/110,419.66
  6. Step 6: Final answer
    x = 86,490.26

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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.