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Finding the Fourth Proportional to 121,424.40, 182,136.60 and 59,216.40

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Solution

The fourth proportional to 121,424.40, 182,136.60 and 59,216.40 is: 88,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424.40 : 182,136.60 = 59,216.40 : x
  2. Step 2: Convert to fraction form
    121,424.40/182,136.60 = 59,216.40/x
  3. Step 3: Cross multiply
    121,424.40x = 182,136.60 × 59,216.40
  4. Step 4: Simplify right side
    121,424.40x = 10,785,473,760.24
  5. Step 5: Solve for x
    x = 10,785,473,760.24/121,424.40
  6. Step 6: Final answer
    x = 88,824.60

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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.