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Finding the Fourth Proportional to 130,994.92, 196,473.21 and 64,417.15

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Solution

The fourth proportional to 130,994.92, 196,473.21 and 64,417.15 is: 96,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,994.92 : 196,473.21 = 64,417.15 : x
  2. Step 2: Convert to fraction form
    130,994.92/196,473.21 = 64,417.15/x
  3. Step 3: Cross multiply
    130,994.92x = 196,473.21 × 64,417.15
  4. Step 4: Simplify right side
    130,994.92x = 12,656,244,239.55
  5. Step 5: Solve for x
    x = 12,656,244,239.55/130,994.92
  6. Step 6: Final answer
    x = 96,616.30

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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.