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Finding the Fourth Proportional to 125,946,165.60, 188,919,248.40 and 125,946,165.60

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Solution

The fourth proportional to 125,946,165.60, 188,919,248.40 and 125,946,165.60 is: 188,919,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,946,165.60 : 188,919,248.40 = 125,946,165.60 : x
  2. Step 2: Convert to fraction form
    125,946,165.60/188,919,248.40 = 125,946,165.60/x
  3. Step 3: Cross multiply
    125,946,165.60x = 188,919,248.40 × 125,946,165.60
  4. Step 4: Simplify right side
    125,946,165.60x = 23,793,654,944,013,936
  5. Step 5: Solve for x
    x = 23,793,654,944,013,936/125,946,165.60
  6. Step 6: Final answer
    x = 188,919,248.40

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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.