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Finding the Fourth Proportional to 160,066.96, 220,889.43 and 88,445.45

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Solution

The fourth proportional to 160,066.96, 220,889.43 and 88,445.45 is: 122,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,066.96 : 220,889.43 = 88,445.45 : x
  2. Step 2: Convert to fraction form
    160,066.96/220,889.43 = 88,445.45/x
  3. Step 3: Cross multiply
    160,066.96x = 220,889.43 × 88,445.45
  4. Step 4: Simplify right side
    160,066.96x = 19,536,665,588.82
  5. Step 5: Solve for x
    x = 19,536,665,588.82/160,066.96
  6. Step 6: Final answer
    x = 122,053.08

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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.