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Finding the Fourth Proportional to 52,973.94, 73,108.53 and 29,105.40

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Solution

The fourth proportional to 52,973.94, 73,108.53 and 29,105.40 is: 40,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,973.94 : 73,108.53 = 29,105.40 : x
  2. Step 2: Convert to fraction form
    52,973.94/73,108.53 = 29,105.40/x
  3. Step 3: Cross multiply
    52,973.94x = 73,108.53 × 29,105.40
  4. Step 4: Simplify right side
    52,973.94x = 2,127,853,009.06
  5. Step 5: Solve for x
    x = 2,127,853,009.06/52,973.94
  6. Step 6: Final answer
    x = 40,167.92

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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.