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Finding the Fourth Proportional to 73,911,425.80, 101,998,427.88 and 40,873,898.50

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Solution

The fourth proportional to 73,911,425.80, 101,998,427.88 and 40,873,898.50 is: 56,406,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911,425.80 : 101,998,427.88 = 40,873,898.50 : x
  2. Step 2: Convert to fraction form
    73,911,425.80/101,998,427.88 = 40,873,898.50/x
  3. Step 3: Cross multiply
    73,911,425.80x = 101,998,427.88 × 40,873,898.50
  4. Step 4: Simplify right side
    73,911,425.80x = 4,169,073,388,326,690
  5. Step 5: Solve for x
    x = 4,169,073,388,326,690/73,911,425.80
  6. Step 6: Final answer
    x = 56,406,345.07

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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.