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Finding the Fourth Proportional to 133,390,203.60, 200,085,305.40 and 110,715,387.60

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Solution

The fourth proportional to 133,390,203.60, 200,085,305.40 and 110,715,387.60 is: 166,073,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390,203.60 : 200,085,305.40 = 110,715,387.60 : x
  2. Step 2: Convert to fraction form
    133,390,203.60/200,085,305.40 = 110,715,387.60/x
  3. Step 3: Cross multiply
    133,390,203.60x = 200,085,305.40 × 110,715,387.60
  4. Step 4: Simplify right side
    133,390,203.60x = 22,152,522,140,425,372
  5. Step 5: Solve for x
    x = 22,152,522,140,425,372/133,390,203.60
  6. Step 6: Final answer
    x = 166,073,081.40

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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.