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Finding the Fourth Proportional to 156,850.32, 216,452.87 and 88,880.24

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Solution

The fourth proportional to 156,850.32, 216,452.87 and 88,880.24 is: 122,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,850.32 : 216,452.87 = 88,880.24 : x
  2. Step 2: Convert to fraction form
    156,850.32/216,452.87 = 88,880.24/x
  3. Step 3: Cross multiply
    156,850.32x = 216,452.87 × 88,880.24
  4. Step 4: Simplify right side
    156,850.32x = 19,238,382,746.72
  5. Step 5: Solve for x
    x = 19,238,382,746.72/156,850.32
  6. Step 6: Final answer
    x = 122,654.40

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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.