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Finding the Fourth Proportional to 252,267.78, 377,628.88 and 163,344.36

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Solution

The fourth proportional to 252,267.78, 377,628.88 and 163,344.36 is: 244,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,267.78 : 377,628.88 = 163,344.36 : x
  2. Step 2: Convert to fraction form
    252,267.78/377,628.88 = 163,344.36/x
  3. Step 3: Cross multiply
    252,267.78x = 377,628.88 × 163,344.36
  4. Step 4: Simplify right side
    252,267.78x = 61,683,547,721.12
  5. Step 5: Solve for x
    x = 61,683,547,721.12/252,267.78
  6. Step 6: Final answer
    x = 244,516.16

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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.