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Finding the Fourth Proportional to 109,601.16, 151,264.85 and 64,293.81

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Solution

The fourth proportional to 109,601.16, 151,264.85 and 64,293.81 is: 88,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,601.16 : 151,264.85 = 64,293.81 : x
  2. Step 2: Convert to fraction form
    109,601.16/151,264.85 = 64,293.81/x
  3. Step 3: Cross multiply
    109,601.16x = 151,264.85 × 64,293.81
  4. Step 4: Simplify right side
    109,601.16x = 9,725,393,525.58
  5. Step 5: Solve for x
    x = 9,725,393,525.58/109,601.16
  6. Step 6: Final answer
    x = 88,734.40

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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.