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Finding the Fourth Proportional to 222,870.52, 334,070.90 and 73,071.72

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Solution

The fourth proportional to 222,870.52, 334,070.90 and 73,071.72 is: 109,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,870.52 : 334,070.90 = 73,071.72 : x
  2. Step 2: Convert to fraction form
    222,870.52/334,070.90 = 73,071.72/x
  3. Step 3: Cross multiply
    222,870.52x = 334,070.90 × 73,071.72
  4. Step 4: Simplify right side
    222,870.52x = 24,411,135,264.95
  5. Step 5: Solve for x
    x = 24,411,135,264.95/222,870.52
  6. Step 6: Final answer
    x = 109,530.57

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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.