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Finding the Fourth Proportional to 109,636.70, 151,298.64 and 59,335.70

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Solution

The fourth proportional to 109,636.70, 151,298.64 and 59,335.70 is: 81,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,636.70 : 151,298.64 = 59,335.70 : x
  2. Step 2: Convert to fraction form
    109,636.70/151,298.64 = 59,335.70/x
  3. Step 3: Cross multiply
    109,636.70x = 151,298.64 × 59,335.70
  4. Step 4: Simplify right side
    109,636.70x = 8,977,410,713.45
  5. Step 5: Solve for x
    x = 8,977,410,713.45/109,636.70
  6. Step 6: Final answer
    x = 81,883.26

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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.