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Finding the Fourth Proportional to 97,053.88, 133,936.40 and 54,612.40

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Solution

The fourth proportional to 97,053.88, 133,936.40 and 54,612.40 is: 75,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,053.88 : 133,936.40 = 54,612.40 : x
  2. Step 2: Convert to fraction form
    97,053.88/133,936.40 = 54,612.40/x
  3. Step 3: Cross multiply
    97,053.88x = 133,936.40 × 54,612.40
  4. Step 4: Simplify right side
    97,053.88x = 7,314,588,251.36
  5. Step 5: Solve for x
    x = 7,314,588,251.36/97,053.88
  6. Step 6: Final answer
    x = 75,366.26

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1.5x scale

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.