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Finding the Fourth Proportional to 223,113.34, 334,711.32 and 133,312.69

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Solution

The fourth proportional to 223,113.34, 334,711.32 and 133,312.69 is: 199,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,113.34 : 334,711.32 = 133,312.69 : x
  2. Step 2: Convert to fraction form
    223,113.34/334,711.32 = 133,312.69/x
  3. Step 3: Cross multiply
    223,113.34x = 334,711.32 × 133,312.69
  4. Step 4: Simplify right side
    223,113.34x = 44,621,266,442.65
  5. Step 5: Solve for x
    x = 44,621,266,442.65/223,113.34
  6. Step 6: Final answer
    x = 199,993.72

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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.