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Finding the Fourth Proportional to 164,066.60, 246,215.10 and 70,639.40

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Solution

The fourth proportional to 164,066.60, 246,215.10 and 70,639.40 is: 106,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,066.60 : 246,215.10 = 70,639.40 : x
  2. Step 2: Convert to fraction form
    164,066.60/246,215.10 = 70,639.40/x
  3. Step 3: Cross multiply
    164,066.60x = 246,215.10 × 70,639.40
  4. Step 4: Simplify right side
    164,066.60x = 17,392,486,934.94
  5. Step 5: Solve for x
    x = 17,392,486,934.94/164,066.60
  6. Step 6: Final answer
    x = 106,008.70

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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.