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Finding the Fourth Proportional to 342,060.32, 512,604.48 and 161,953.58

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Solution

The fourth proportional to 342,060.32, 512,604.48 and 161,953.58 is: 242,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,060.32 : 512,604.48 = 161,953.58 : x
  2. Step 2: Convert to fraction form
    342,060.32/512,604.48 = 161,953.58/x
  3. Step 3: Cross multiply
    342,060.32x = 512,604.48 × 161,953.58
  4. Step 4: Simplify right side
    342,060.32x = 83,018,130,660.04
  5. Step 5: Solve for x
    x = 83,018,130,660.04/342,060.32
  6. Step 6: Final answer
    x = 242,700.27

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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.