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Finding the Fourth Proportional to 92,658.58, 127,868.80 and 50,217.10

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Solution

The fourth proportional to 92,658.58, 127,868.80 and 50,217.10 is: 69,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658.58 : 127,868.80 = 50,217.10 : x
  2. Step 2: Convert to fraction form
    92,658.58/127,868.80 = 50,217.10/x
  3. Step 3: Cross multiply
    92,658.58x = 127,868.80 × 50,217.10
  4. Step 4: Simplify right side
    92,658.58x = 6,421,200,316.48
  5. Step 5: Solve for x
    x = 6,421,200,316.48/92,658.58
  6. Step 6: Final answer
    x = 69,299.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.