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Finding the Fourth Proportional to 92,355.90, 127,457.73 and 52,073.43

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Solution

The fourth proportional to 92,355.90, 127,457.73 and 52,073.43 is: 71,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,355.90 : 127,457.73 = 52,073.43 : x
  2. Step 2: Convert to fraction form
    92,355.90/127,457.73 = 52,073.43/x
  3. Step 3: Cross multiply
    92,355.90x = 127,457.73 × 52,073.43
  4. Step 4: Simplify right side
    92,355.90x = 6,637,161,181.11
  5. Step 5: Solve for x
    x = 6,637,161,181.11/92,355.90
  6. Step 6: Final answer
    x = 71,865.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.