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Finding the Fourth Proportional to 167,053.44, 250,641.72 and 78,335.76

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Solution

The fourth proportional to 167,053.44, 250,641.72 and 78,335.76 is: 117,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,053.44 : 250,641.72 = 78,335.76 : x
  2. Step 2: Convert to fraction form
    167,053.44/250,641.72 = 78,335.76/x
  3. Step 3: Cross multiply
    167,053.44x = 250,641.72 × 78,335.76
  4. Step 4: Simplify right side
    167,053.44x = 19,634,209,623.91
  5. Step 5: Solve for x
    x = 19,634,209,623.91/167,053.44
  6. Step 6: Final answer
    x = 117,532.51

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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.