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Finding the Fourth Proportional to 157,866.73, 217,856.01 and 89,880.19

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Solution

The fourth proportional to 157,866.73, 217,856.01 and 89,880.19 is: 124,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,866.73 : 217,856.01 = 89,880.19 : x
  2. Step 2: Convert to fraction form
    157,866.73/217,856.01 = 89,880.19/x
  3. Step 3: Cross multiply
    157,866.73x = 217,856.01 × 89,880.19
  4. Step 4: Simplify right side
    157,866.73x = 19,580,939,571.44
  5. Step 5: Solve for x
    x = 19,580,939,571.44/157,866.73
  6. Step 6: Final answer
    x = 124,034.62

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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.