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Finding the Fourth Proportional to 97,383.32, 145,690.64 and 73,758.92

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Solution

The fourth proportional to 97,383.32, 145,690.64 and 73,758.92 is: 110,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,383.32 : 145,690.64 = 73,758.92 : x
  2. Step 2: Convert to fraction form
    97,383.32/145,690.64 = 73,758.92/x
  3. Step 3: Cross multiply
    97,383.32x = 145,690.64 × 73,758.92
  4. Step 4: Simplify right side
    97,383.32x = 10,745,984,260.51
  5. Step 5: Solve for x
    x = 10,745,984,260.51/97,383.32
  6. Step 6: Final answer
    x = 110,347.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.