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Finding the Fourth Proportional to 160,216.64, 221,097.76 and 89,560.64

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Solution

The fourth proportional to 160,216.64, 221,097.76 and 89,560.64 is: 123,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,216.64 : 221,097.76 = 89,560.64 : x
  2. Step 2: Convert to fraction form
    160,216.64/221,097.76 = 89,560.64/x
  3. Step 3: Cross multiply
    160,216.64x = 221,097.76 × 89,560.64
  4. Step 4: Simplify right side
    160,216.64x = 19,801,656,888.17
  5. Step 5: Solve for x
    x = 19,801,656,888.17/160,216.64
  6. Step 6: Final answer
    x = 123,593.01

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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.