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Finding the Fourth Proportional to 157,242.84, 235,872.36 and 44,914.20

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Solution

The fourth proportional to 157,242.84, 235,872.36 and 44,914.20 is: 67,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,242.84 : 235,872.36 = 44,914.20 : x
  2. Step 2: Convert to fraction form
    157,242.84/235,872.36 = 44,914.20/x
  3. Step 3: Cross multiply
    157,242.84x = 235,872.36 × 44,914.20
  4. Step 4: Simplify right side
    157,242.84x = 10,594,018,351.51
  5. Step 5: Solve for x
    x = 10,594,018,351.51/157,242.84
  6. Step 6: Final answer
    x = 67,373.61

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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.