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Finding the Fourth Proportional to 223,129.91, 334,688.30 and 63,205.53

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Solution

The fourth proportional to 223,129.91, 334,688.30 and 63,205.53 is: 94,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,129.91 : 334,688.30 = 63,205.53 : x
  2. Step 2: Convert to fraction form
    223,129.91/334,688.30 = 63,205.53/x
  3. Step 3: Cross multiply
    223,129.91x = 334,688.30 × 63,205.53
  4. Step 4: Simplify right side
    223,129.91x = 21,154,152,996.35
  5. Step 5: Solve for x
    x = 21,154,152,996.35/223,129.91
  6. Step 6: Final answer
    x = 94,806.44

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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.