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Finding the Fourth Proportional to 67,124.68, 100,681.73 and 39,026.81

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Solution

The fourth proportional to 67,124.68, 100,681.73 and 39,026.81 is: 58,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.68 : 100,681.73 = 39,026.81 : x
  2. Step 2: Convert to fraction form
    67,124.68/100,681.73 = 39,026.81/x
  3. Step 3: Cross multiply
    67,124.68x = 100,681.73 × 39,026.81
  4. Step 4: Simplify right side
    67,124.68x = 3,929,287,169.63
  5. Step 5: Solve for x
    x = 3,929,287,169.63/67,124.68
  6. Step 6: Final answer
    x = 58,537.14

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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.