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Finding the Fourth Proportional to 224,038.08, 336,058.34 and 66,267.90

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Solution

The fourth proportional to 224,038.08, 336,058.34 and 66,267.90 is: 99,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,038.08 : 336,058.34 = 66,267.90 : x
  2. Step 2: Convert to fraction form
    224,038.08/336,058.34 = 66,267.90/x
  3. Step 3: Cross multiply
    224,038.08x = 336,058.34 × 66,267.90
  4. Step 4: Simplify right side
    224,038.08x = 22,269,880,137.95
  5. Step 5: Solve for x
    x = 22,269,880,137.95/224,038.08
  6. Step 6: Final answer
    x = 99,402.21

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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.