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Finding the Fourth Proportional to 160,573.68, 221,604.16 and 88,960.32

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Solution

The fourth proportional to 160,573.68, 221,604.16 and 88,960.32 is: 122,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,573.68 : 221,604.16 = 88,960.32 : x
  2. Step 2: Convert to fraction form
    160,573.68/221,604.16 = 88,960.32/x
  3. Step 3: Cross multiply
    160,573.68x = 221,604.16 × 88,960.32
  4. Step 4: Simplify right side
    160,573.68x = 19,713,976,986.93
  5. Step 5: Solve for x
    x = 19,713,976,986.93/160,573.68
  6. Step 6: Final answer
    x = 122,772.16

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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.