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Finding the Fourth Proportional to 107,101.92, 147,800.52 and 64,652.16

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Solution

The fourth proportional to 107,101.92, 147,800.52 and 64,652.16 is: 89,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,101.92 : 147,800.52 = 64,652.16 : x
  2. Step 2: Convert to fraction form
    107,101.92/147,800.52 = 64,652.16/x
  3. Step 3: Cross multiply
    107,101.92x = 147,800.52 × 64,652.16
  4. Step 4: Simplify right side
    107,101.92x = 9,555,622,867.12
  5. Step 5: Solve for x
    x = 9,555,622,867.12/107,101.92
  6. Step 6: Final answer
    x = 89,219.90

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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.