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Finding the Fourth Proportional to 136,773.66, 205,139.96 and 43,267.26

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Solution

The fourth proportional to 136,773.66, 205,139.96 and 43,267.26 is: 64,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,773.66 : 205,139.96 = 43,267.26 : x
  2. Step 2: Convert to fraction form
    136,773.66/205,139.96 = 43,267.26/x
  3. Step 3: Cross multiply
    136,773.66x = 205,139.96 × 43,267.26
  4. Step 4: Simplify right side
    136,773.66x = 8,875,843,985.71
  5. Step 5: Solve for x
    x = 8,875,843,985.71/136,773.66
  6. Step 6: Final answer
    x = 64,894.40

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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.