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Finding the Fourth Proportional to 250,868.61, 376,315.34 and 101,088.86

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Solution

The fourth proportional to 250,868.61, 376,315.34 and 101,088.86 is: 151,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,868.61 : 376,315.34 = 101,088.86 : x
  2. Step 2: Convert to fraction form
    250,868.61/376,315.34 = 101,088.86/x
  3. Step 3: Cross multiply
    250,868.61x = 376,315.34 × 101,088.86
  4. Step 4: Simplify right side
    250,868.61x = 38,041,286,334.09
  5. Step 5: Solve for x
    x = 38,041,286,334.09/250,868.61
  6. Step 6: Final answer
    x = 151,638.29

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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.