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Finding the Fourth Proportional to 100,368.12, 150,565.95 and 58,267.97

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Solution

The fourth proportional to 100,368.12, 150,565.95 and 58,267.97 is: 87,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,368.12 : 150,565.95 = 58,267.97 : x
  2. Step 2: Convert to fraction form
    100,368.12/150,565.95 = 58,267.97/x
  3. Step 3: Cross multiply
    100,368.12x = 150,565.95 × 58,267.97
  4. Step 4: Simplify right side
    100,368.12x = 8,773,171,504.79
  5. Step 5: Solve for x
    x = 8,773,171,504.79/100,368.12
  6. Step 6: Final answer
    x = 87,409.94

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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.