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Finding the Fourth Proportional to 73,911,123.01, 101,998,010.64 and 40,873,595.02

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Solution

The fourth proportional to 73,911,123.01, 101,998,010.64 and 40,873,595.02 is: 56,405,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911,123.01 : 101,998,010.64 = 40,873,595.02 : x
  2. Step 2: Convert to fraction form
    73,911,123.01/101,998,010.64 = 40,873,595.02/x
  3. Step 3: Cross multiply
    73,911,123.01x = 101,998,010.64 × 40,873,595.02
  4. Step 4: Simplify right side
    73,911,123.01x = 4,169,025,379,745,011.50
  5. Step 5: Solve for x
    x = 4,169,025,379,745,011.50/73,911,123.01
  6. Step 6: Final answer
    x = 56,405,926.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.