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Finding the Fourth Proportional to 124,523.88, 186,787.08 and 35,777.16

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Solution

The fourth proportional to 124,523.88, 186,787.08 and 35,777.16 is: 53,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,523.88 : 186,787.08 = 35,777.16 : x
  2. Step 2: Convert to fraction form
    124,523.88/186,787.08 = 35,777.16/x
  3. Step 3: Cross multiply
    124,523.88x = 186,787.08 × 35,777.16
  4. Step 4: Simplify right side
    124,523.88x = 6,682,711,247.09
  5. Step 5: Solve for x
    x = 6,682,711,247.09/124,523.88
  6. Step 6: Final answer
    x = 53,666.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.