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Finding the Fourth Proportional to 110,770.61, 152,861.45 and 63,022.95

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Solution

The fourth proportional to 110,770.61, 152,861.45 and 63,022.95 is: 86,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,770.61 : 152,861.45 = 63,022.95 : x
  2. Step 2: Convert to fraction form
    110,770.61/152,861.45 = 63,022.95/x
  3. Step 3: Cross multiply
    110,770.61x = 152,861.45 × 63,022.95
  4. Step 4: Simplify right side
    110,770.61x = 9,633,779,205.16
  5. Step 5: Solve for x
    x = 9,633,779,205.16/110,770.61
  6. Step 6: Final answer
    x = 86,970.54

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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.