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Finding the Fourth Proportional to 106,615,598.64, 159,923,398.32 and 28,892,500.08

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Solution

The fourth proportional to 106,615,598.64, 159,923,398.32 and 28,892,500.08 is: 43,338,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,615,598.64 : 159,923,398.32 = 28,892,500.08 : x
  2. Step 2: Convert to fraction form
    106,615,598.64/159,923,398.32 = 28,892,500.08/x
  3. Step 3: Cross multiply
    106,615,598.64x = 159,923,398.32 × 28,892,500.08
  4. Step 4: Simplify right side
    106,615,598.64x = 4,620,586,798,754,471
  5. Step 5: Solve for x
    x = 4,620,586,798,754,471/106,615,598.64
  6. Step 6: Final answer
    x = 43,338,750.22

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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.