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Finding the Fourth Proportional to 160,419.88, 221,369.92 and 88,795.63

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Solution

The fourth proportional to 160,419.88, 221,369.92 and 88,795.63 is: 122,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,419.88 : 221,369.92 = 88,795.63 : x
  2. Step 2: Convert to fraction form
    160,419.88/221,369.92 = 88,795.63/x
  3. Step 3: Cross multiply
    160,419.88x = 221,369.92 × 88,795.63
  4. Step 4: Simplify right side
    160,419.88x = 19,656,681,509.45
  5. Step 5: Solve for x
    x = 19,656,681,509.45/160,419.88
  6. Step 6: Final answer
    x = 122,532.70

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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.