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Finding the Fourth Proportional to 116,362.19, 160,578.51 and 68,630.92

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Solution

The fourth proportional to 116,362.19, 160,578.51 and 68,630.92 is: 94,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,362.19 : 160,578.51 = 68,630.92 : x
  2. Step 2: Convert to fraction form
    116,362.19/160,578.51 = 68,630.92/x
  3. Step 3: Cross multiply
    116,362.19x = 160,578.51 × 68,630.92
  4. Step 4: Simplify right side
    116,362.19x = 11,020,650,873.53
  5. Step 5: Solve for x
    x = 11,020,650,873.53/116,362.19
  6. Step 6: Final answer
    x = 94,709.90

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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.