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Finding the Fourth Proportional to 160,618.01, 240,939.29 and 42,287.63

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Solution

The fourth proportional to 160,618.01, 240,939.29 and 42,287.63 is: 63,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,618.01 : 240,939.29 = 42,287.63 : x
  2. Step 2: Convert to fraction form
    160,618.01/240,939.29 = 42,287.63/x
  3. Step 3: Cross multiply
    160,618.01x = 240,939.29 × 42,287.63
  4. Step 4: Simplify right side
    160,618.01x = 10,188,750,449.01
  5. Step 5: Solve for x
    x = 10,188,750,449.01/160,618.01
  6. Step 6: Final answer
    x = 63,434.67

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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.