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Finding the Fourth Proportional to 115,983,145.60, 173,999,601.60 and 35,212,278.40

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Solution

The fourth proportional to 115,983,145.60, 173,999,601.60 and 35,212,278.40 is: 52,825,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,983,145.60 : 173,999,601.60 = 35,212,278.40 : x
  2. Step 2: Convert to fraction form
    115,983,145.60/173,999,601.60 = 35,212,278.40/x
  3. Step 3: Cross multiply
    115,983,145.60x = 173,999,601.60 × 35,212,278.40
  4. Step 4: Simplify right side
    115,983,145.60x = 6,126,922,413,028,285
  5. Step 5: Solve for x
    x = 6,126,922,413,028,285/115,983,145.60
  6. Step 6: Final answer
    x = 52,825,972.10

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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.