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Finding the Fourth Proportional to 91,800.88, 137,698.44 and 26,136.88

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Solution

The fourth proportional to 91,800.88, 137,698.44 and 26,136.88 is: 39,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800.88 : 137,698.44 = 26,136.88 : x
  2. Step 2: Convert to fraction form
    91,800.88/137,698.44 = 26,136.88/x
  3. Step 3: Cross multiply
    91,800.88x = 137,698.44 × 26,136.88
  4. Step 4: Simplify right side
    91,800.88x = 3,599,007,602.47
  5. Step 5: Solve for x
    x = 3,599,007,602.47/91,800.88
  6. Step 6: Final answer
    x = 39,204.50

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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.