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Finding the Fourth Proportional to 198,031.84, 296,929.09 and 63,037.60

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Solution

The fourth proportional to 198,031.84, 296,929.09 and 63,037.60 is: 94,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,031.84 : 296,929.09 = 63,037.60 : x
  2. Step 2: Convert to fraction form
    198,031.84/296,929.09 = 63,037.60/x
  3. Step 3: Cross multiply
    198,031.84x = 296,929.09 × 63,037.60
  4. Step 4: Simplify right side
    198,031.84x = 18,717,697,203.78
  5. Step 5: Solve for x
    x = 18,717,697,203.78/198,031.84
  6. Step 6: Final answer
    x = 94,518.62

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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.