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Finding the Fourth Proportional to 160,750.87, 221,832.89 and 89,130.26

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Solution

The fourth proportional to 160,750.87, 221,832.89 and 89,130.26 is: 122,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,750.87 : 221,832.89 = 89,130.26 : x
  2. Step 2: Convert to fraction form
    160,750.87/221,832.89 = 89,130.26/x
  3. Step 3: Cross multiply
    160,750.87x = 221,832.89 × 89,130.26
  4. Step 4: Simplify right side
    160,750.87x = 19,772,023,162.25
  5. Step 5: Solve for x
    x = 19,772,023,162.25/160,750.87
  6. Step 6: Final answer
    x = 122,997.92

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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.