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Finding the Fourth Proportional to 201,560.79, 278,148.02 and 110,916.73

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Solution

The fourth proportional to 201,560.79, 278,148.02 and 110,916.73 is: 153,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,560.79 : 278,148.02 = 110,916.73 : x
  2. Step 2: Convert to fraction form
    201,560.79/278,148.02 = 110,916.73/x
  3. Step 3: Cross multiply
    201,560.79x = 278,148.02 × 110,916.73
  4. Step 4: Simplify right side
    201,560.79x = 30,851,268,834.37
  5. Step 5: Solve for x
    x = 30,851,268,834.37/201,560.79
  6. Step 6: Final answer
    x = 153,061.86

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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.