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Finding the Fourth Proportional to 118,840,697.30, 166,490,350.30 and 118,840,697.30

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Solution

The fourth proportional to 118,840,697.30, 166,490,350.30 and 118,840,697.30 is: 166,490,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,840,697.30 : 166,490,350.30 = 118,840,697.30 : x
  2. Step 2: Convert to fraction form
    118,840,697.30/166,490,350.30 = 118,840,697.30/x
  3. Step 3: Cross multiply
    118,840,697.30x = 166,490,350.30 × 118,840,697.30
  4. Step 4: Simplify right side
    118,840,697.30x = 19,785,829,323,373,264
  5. Step 5: Solve for x
    x = 19,785,829,323,373,264/118,840,697.30
  6. Step 6: Final answer
    x = 166,490,350.30

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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.