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Finding the Fourth Proportional to 161,626.52, 223,030.30 and 93,621.76

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Solution

The fourth proportional to 161,626.52, 223,030.30 and 93,621.76 is: 129,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,626.52 : 223,030.30 = 93,621.76 : x
  2. Step 2: Convert to fraction form
    161,626.52/223,030.30 = 93,621.76/x
  3. Step 3: Cross multiply
    161,626.52x = 223,030.30 × 93,621.76
  4. Step 4: Simplify right side
    161,626.52x = 20,880,489,219.33
  5. Step 5: Solve for x
    x = 20,880,489,219.33/161,626.52
  6. Step 6: Final answer
    x = 129,189.75

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1.5x scale

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.