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Finding the Fourth Proportional to 92,827.20, 139,240.80 and 22,705.60

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Solution

The fourth proportional to 92,827.20, 139,240.80 and 22,705.60 is: 34,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,827.20 : 139,240.80 = 22,705.60 : x
  2. Step 2: Convert to fraction form
    92,827.20/139,240.80 = 22,705.60/x
  3. Step 3: Cross multiply
    92,827.20x = 139,240.80 × 22,705.60
  4. Step 4: Simplify right side
    92,827.20x = 3,161,545,908.48
  5. Step 5: Solve for x
    x = 3,161,545,908.48/92,827.20
  6. Step 6: Final answer
    x = 34,058.40

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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.