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Finding the Fourth Proportional to 100,930.66, 151,102.61 and 58,681.92

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Solution

The fourth proportional to 100,930.66, 151,102.61 and 58,681.92 is: 87,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,930.66 : 151,102.61 = 58,681.92 : x
  2. Step 2: Convert to fraction form
    100,930.66/151,102.61 = 58,681.92/x
  3. Step 3: Cross multiply
    100,930.66x = 151,102.61 × 58,681.92
  4. Step 4: Simplify right side
    100,930.66x = 8,866,991,245.23
  5. Step 5: Solve for x
    x = 8,866,991,245.23/100,930.66
  6. Step 6: Final answer
    x = 87,852.31

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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.