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Finding the Fourth Proportional to 116,585.96, 160,915.48 and 68,210.32

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Solution

The fourth proportional to 116,585.96, 160,915.48 and 68,210.32 is: 94,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,585.96 : 160,915.48 = 68,210.32 : x
  2. Step 2: Convert to fraction form
    116,585.96/160,915.48 = 68,210.32/x
  3. Step 3: Cross multiply
    116,585.96x = 160,915.48 × 68,210.32
  4. Step 4: Simplify right side
    116,585.96x = 10,976,096,383.75
  5. Step 5: Solve for x
    x = 10,976,096,383.75/116,585.96
  6. Step 6: Final answer
    x = 94,145.95

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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.