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Finding the Fourth Proportional to 183,886.17, 253,788.49 and 103,319.92

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Solution

The fourth proportional to 183,886.17, 253,788.49 and 103,319.92 is: 142,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,886.17 : 253,788.49 = 103,319.92 : x
  2. Step 2: Convert to fraction form
    183,886.17/253,788.49 = 103,319.92/x
  3. Step 3: Cross multiply
    183,886.17x = 253,788.49 × 103,319.92
  4. Step 4: Simplify right side
    183,886.17x = 26,221,406,483.72
  5. Step 5: Solve for x
    x = 26,221,406,483.72/183,886.17
  6. Step 6: Final answer
    x = 142,595.86

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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.