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Finding the Fourth Proportional to 245,334,844.03, 368,071,796.45 and 99,872,754.43

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Solution

The fourth proportional to 245,334,844.03, 368,071,796.45 and 99,872,754.43 is: 149,837,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,334,844.03 : 368,071,796.45 = 99,872,754.43 : x
  2. Step 2: Convert to fraction form
    245,334,844.03/368,071,796.45 = 99,872,754.43/x
  3. Step 3: Cross multiply
    245,334,844.03x = 368,071,796.45 × 99,872,754.43
  4. Step 4: Simplify right side
    245,334,844.03x = 36,760,344,139,459,800
  5. Step 5: Solve for x
    x = 36,760,344,139,459,800/245,334,844.03
  6. Step 6: Final answer
    x = 149,837,436.61

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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.