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Finding the Fourth Proportional to 160,838.95, 241,012.39 and 85,969.74

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Solution

The fourth proportional to 160,838.95, 241,012.39 and 85,969.74 is: 128,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,838.95 : 241,012.39 = 85,969.74 : x
  2. Step 2: Convert to fraction form
    160,838.95/241,012.39 = 85,969.74/x
  3. Step 3: Cross multiply
    160,838.95x = 241,012.39 × 85,969.74
  4. Step 4: Simplify right side
    160,838.95x = 20,719,770,870.17
  5. Step 5: Solve for x
    x = 20,719,770,870.17/160,838.95
  6. Step 6: Final answer
    x = 128,823.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.