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Finding the Fourth Proportional to 121,924, 182,918.87 and 50,823.01

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Solution

The fourth proportional to 121,924, 182,918.87 and 50,823.01 is: 76,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,924 : 182,918.87 = 50,823.01 : x
  2. Step 2: Convert to fraction form
    121,924/182,918.87 = 50,823.01/x
  3. Step 3: Cross multiply
    121,924x = 182,918.87 × 50,823.01
  4. Step 4: Simplify right side
    121,924x = 9,296,486,390.49
  5. Step 5: Solve for x
    x = 9,296,486,390.49/121,924
  6. Step 6: Final answer
    x = 76,248.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.