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Finding the Fourth Proportional to 216,902.60, 325,008.30 and 160,915.40

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Solution

The fourth proportional to 216,902.60, 325,008.30 and 160,915.40 is: 241,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,902.60 : 325,008.30 = 160,915.40 : x
  2. Step 2: Convert to fraction form
    216,902.60/325,008.30 = 160,915.40/x
  3. Step 3: Cross multiply
    216,902.60x = 325,008.30 × 160,915.40
  4. Step 4: Simplify right side
    216,902.60x = 52,298,840,597.82
  5. Step 5: Solve for x
    x = 52,298,840,597.82/216,902.60
  6. Step 6: Final answer
    x = 241,116.71

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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.