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Finding the Fourth Proportional to 103,624.70, 155,437.05 and 33,511.10

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Solution

The fourth proportional to 103,624.70, 155,437.05 and 33,511.10 is: 50,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.70 : 155,437.05 = 33,511.10 : x
  2. Step 2: Convert to fraction form
    103,624.70/155,437.05 = 33,511.10/x
  3. Step 3: Cross multiply
    103,624.70x = 155,437.05 × 33,511.10
  4. Step 4: Simplify right side
    103,624.70x = 5,208,866,526.26
  5. Step 5: Solve for x
    x = 5,208,866,526.26/103,624.70
  6. Step 6: Final answer
    x = 50,266.65

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Similar ratio
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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.