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Finding the Fourth Proportional to 97,529.87, 134,579.88 and 54,509.45

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Solution

The fourth proportional to 97,529.87, 134,579.88 and 54,509.45 is: 75,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,529.87 : 134,579.88 = 54,509.45 : x
  2. Step 2: Convert to fraction form
    97,529.87/134,579.88 = 54,509.45/x
  3. Step 3: Cross multiply
    97,529.87x = 134,579.88 × 54,509.45
  4. Step 4: Simplify right side
    97,529.87x = 7,335,875,576.32
  5. Step 5: Solve for x
    x = 7,335,875,576.32/97,529.87
  6. Step 6: Final answer
    x = 75,216.70

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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.