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Finding the Fourth Proportional to 157,552.99, 217,425.72 and 85,933.01

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Solution

The fourth proportional to 157,552.99, 217,425.72 and 85,933.01 is: 118,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,552.99 : 217,425.72 = 85,933.01 : x
  2. Step 2: Convert to fraction form
    157,552.99/217,425.72 = 85,933.01/x
  3. Step 3: Cross multiply
    157,552.99x = 217,425.72 × 85,933.01
  4. Step 4: Simplify right side
    157,552.99x = 18,684,046,435.31
  5. Step 5: Solve for x
    x = 18,684,046,435.31/157,552.99
  6. Step 6: Final answer
    x = 118,588.97

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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.