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Finding the Fourth Proportional to 242,832.35, 335,320.13 and 152,343.87

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Solution

The fourth proportional to 242,832.35, 335,320.13 and 152,343.87 is: 210,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,832.35 : 335,320.13 = 152,343.87 : x
  2. Step 2: Convert to fraction form
    242,832.35/335,320.13 = 152,343.87/x
  3. Step 3: Cross multiply
    242,832.35x = 335,320.13 × 152,343.87
  4. Step 4: Simplify right side
    242,832.35x = 51,083,966,673.96
  5. Step 5: Solve for x
    x = 51,083,966,673.96/242,832.35
  6. Step 6: Final answer
    x = 210,367.23

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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.