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Finding the Fourth Proportional to 97,520.92, 134,566.94 and 54,502.72

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Solution

The fourth proportional to 97,520.92, 134,566.94 and 54,502.72 is: 75,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,520.92 : 134,566.94 = 54,502.72 : x
  2. Step 2: Convert to fraction form
    97,520.92/134,566.94 = 54,502.72/x
  3. Step 3: Cross multiply
    97,520.92x = 134,566.94 × 54,502.72
  4. Step 4: Simplify right side
    97,520.92x = 7,334,264,051.92
  5. Step 5: Solve for x
    x = 7,334,264,051.92/97,520.92
  6. Step 6: Final answer
    x = 75,207.09

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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.