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Finding the Fourth Proportional to 73,602,003.70, 110,403,005.55 and 73,098,118.90

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Solution

The fourth proportional to 73,602,003.70, 110,403,005.55 and 73,098,118.90 is: 109,647,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602,003.70 : 110,403,005.55 = 73,098,118.90 : x
  2. Step 2: Convert to fraction form
    73,602,003.70/110,403,005.55 = 73,098,118.90/x
  3. Step 3: Cross multiply
    73,602,003.70x = 110,403,005.55 × 73,098,118.90
  4. Step 4: Simplify right side
    73,602,003.70x = 8,070,252,026,611,260
  5. Step 5: Solve for x
    x = 8,070,252,026,611,260/73,602,003.70
  6. Step 6: Final answer
    x = 109,647,178.35

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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.