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Finding the Fourth Proportional to 119,117,079.60, 166,990,659.60 and 119,117,079.60

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Solution

The fourth proportional to 119,117,079.60, 166,990,659.60 and 119,117,079.60 is: 166,990,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,117,079.60 : 166,990,659.60 = 119,117,079.60 : x
  2. Step 2: Convert to fraction form
    119,117,079.60/166,990,659.60 = 119,117,079.60/x
  3. Step 3: Cross multiply
    119,117,079.60x = 166,990,659.60 × 119,117,079.60
  4. Step 4: Simplify right side
    119,117,079.60x = 19,891,439,692,029,704
  5. Step 5: Solve for x
    x = 19,891,439,692,029,704/119,117,079.60
  6. Step 6: Final answer
    x = 166,990,659.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.