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Finding the Fourth Proportional to 222,434.04, 333,702.90 and 72,681.24

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Solution

The fourth proportional to 222,434.04, 333,702.90 and 72,681.24 is: 109,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,434.04 : 333,702.90 = 72,681.24 : x
  2. Step 2: Convert to fraction form
    222,434.04/333,702.90 = 72,681.24/x
  3. Step 3: Cross multiply
    222,434.04x = 333,702.90 × 72,681.24
  4. Step 4: Simplify right side
    222,434.04x = 24,253,940,563.60
  5. Step 5: Solve for x
    x = 24,253,940,563.60/222,434.04
  6. Step 6: Final answer
    x = 109,038.80

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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.