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Finding the Fourth Proportional to 160,465.95, 221,449.94 and 88,845.98

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Solution

The fourth proportional to 160,465.95, 221,449.94 and 88,845.98 is: 122,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,465.95 : 221,449.94 = 88,845.98 : x
  2. Step 2: Convert to fraction form
    160,465.95/221,449.94 = 88,845.98/x
  3. Step 3: Cross multiply
    160,465.95x = 221,449.94 × 88,845.98
  4. Step 4: Simplify right side
    160,465.95x = 19,674,935,388.76
  5. Step 5: Solve for x
    x = 19,674,935,388.76/160,465.95
  6. Step 6: Final answer
    x = 122,611.28

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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.