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Finding the Fourth Proportional to 183,405.31, 253,038.82 and 110,781.07

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Solution

The fourth proportional to 183,405.31, 253,038.82 and 110,781.07 is: 152,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,405.31 : 253,038.82 = 110,781.07 : x
  2. Step 2: Convert to fraction form
    183,405.31/253,038.82 = 110,781.07/x
  3. Step 3: Cross multiply
    183,405.31x = 253,038.82 × 110,781.07
  4. Step 4: Simplify right side
    183,405.31x = 28,031,911,231.14
  5. Step 5: Solve for x
    x = 28,031,911,231.14/183,405.31
  6. Step 6: Final answer
    x = 152,841.33

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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.