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Finding the Fourth Proportional to 536,671.24, 805,001.18 and 137,308.84

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Solution

The fourth proportional to 536,671.24, 805,001.18 and 137,308.84 is: 205,961.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,671.24 : 805,001.18 = 137,308.84 : x
  2. Step 2: Convert to fraction form
    536,671.24/805,001.18 = 137,308.84/x
  3. Step 3: Cross multiply
    536,671.24x = 805,001.18 × 137,308.84
  4. Step 4: Simplify right side
    536,671.24x = 110,533,778,224.43
  5. Step 5: Solve for x
    x = 110,533,778,224.43/536,671.24
  6. Step 6: Final answer
    x = 205,961.81

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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.