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Finding the Fourth Proportional to 73,986,345.45, 103,750,944.75 and 73,986,345.45

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Solution

The fourth proportional to 73,986,345.45, 103,750,944.75 and 73,986,345.45 is: 103,750,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,986,345.45 : 103,750,944.75 = 73,986,345.45 : x
  2. Step 2: Convert to fraction form
    73,986,345.45/103,750,944.75 = 73,986,345.45/x
  3. Step 3: Cross multiply
    73,986,345.45x = 103,750,944.75 × 73,986,345.45
  4. Step 4: Simplify right side
    73,986,345.45x = 7,676,153,239,037,364
  5. Step 5: Solve for x
    x = 7,676,153,239,037,364/73,986,345.45
  6. Step 6: Final answer
    x = 103,750,944.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.