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Finding the Fourth Proportional to 140,241.66, 210,424.14 and 73,666.32

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Solution

The fourth proportional to 140,241.66, 210,424.14 and 73,666.32 is: 110,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.66 : 210,424.14 = 73,666.32 : x
  2. Step 2: Convert to fraction form
    140,241.66/210,424.14 = 73,666.32/x
  3. Step 3: Cross multiply
    140,241.66x = 210,424.14 × 73,666.32
  4. Step 4: Simplify right side
    140,241.66x = 15,501,172,032.96
  5. Step 5: Solve for x
    x = 15,501,172,032.96/140,241.66
  6. Step 6: Final answer
    x = 110,531.86

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1.5x scale

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.