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Finding the Fourth Proportional to 222,985.61, 334,384.10 and 89,830.11

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Solution

The fourth proportional to 222,985.61, 334,384.10 and 89,830.11 is: 134,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,985.61 : 334,384.10 = 89,830.11 : x
  2. Step 2: Convert to fraction form
    222,985.61/334,384.10 = 89,830.11/x
  3. Step 3: Cross multiply
    222,985.61x = 334,384.10 × 89,830.11
  4. Step 4: Simplify right side
    222,985.61x = 30,037,761,626.90
  5. Step 5: Solve for x
    x = 30,037,761,626.90/222,985.61
  6. Step 6: Final answer
    x = 134,707.18

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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.