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Finding the Fourth Proportional to 105,565.54, 158,454.93 and 93,635.80

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Solution

The fourth proportional to 105,565.54, 158,454.93 and 93,635.80 is: 140,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,565.54 : 158,454.93 = 93,635.80 : x
  2. Step 2: Convert to fraction form
    105,565.54/158,454.93 = 93,635.80/x
  3. Step 3: Cross multiply
    105,565.54x = 158,454.93 × 93,635.80
  4. Step 4: Simplify right side
    105,565.54x = 14,837,053,496.95
  5. Step 5: Solve for x
    x = 14,837,053,496.95/105,565.54
  6. Step 6: Final answer
    x = 140,548.26

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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.