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Finding the Fourth Proportional to 183,855.35, 253,726.93 and 103,281.11

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Solution

The fourth proportional to 183,855.35, 253,726.93 and 103,281.11 is: 142,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,855.35 : 253,726.93 = 103,281.11 : x
  2. Step 2: Convert to fraction form
    183,855.35/253,726.93 = 103,281.11/x
  3. Step 3: Cross multiply
    183,855.35x = 253,726.93 × 103,281.11
  4. Step 4: Simplify right side
    183,855.35x = 26,205,198,779.24
  5. Step 5: Solve for x
    x = 26,205,198,779.24/183,855.35
  6. Step 6: Final answer
    x = 142,531.61

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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.