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Finding the Fourth Proportional to 159,776.01, 220,490.91 and 88,156.22

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Solution

The fourth proportional to 159,776.01, 220,490.91 and 88,156.22 is: 121,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,776.01 : 220,490.91 = 88,156.22 : x
  2. Step 2: Convert to fraction form
    159,776.01/220,490.91 = 88,156.22/x
  3. Step 3: Cross multiply
    159,776.01x = 220,490.91 × 88,156.22
  4. Step 4: Simplify right side
    159,776.01x = 19,437,644,067.51
  5. Step 5: Solve for x
    x = 19,437,644,067.51/159,776.01
  6. Step 6: Final answer
    x = 121,655.59

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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.