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Finding the Fourth Proportional to 118,098,117.60, 176,828,311.80 and 118,098,117.60

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Solution

The fourth proportional to 118,098,117.60, 176,828,311.80 and 118,098,117.60 is: 176,828,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,117.60 : 176,828,311.80 = 118,098,117.60 : x
  2. Step 2: Convert to fraction form
    118,098,117.60/176,828,311.80 = 118,098,117.60/x
  3. Step 3: Cross multiply
    118,098,117.60x = 176,828,311.80 × 118,098,117.60
  4. Step 4: Simplify right side
    118,098,117.60x = 20,883,090,761,965,868
  5. Step 5: Solve for x
    x = 20,883,090,761,965,868/118,098,117.60
  6. Step 6: Final answer
    x = 176,828,311.80

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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.