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Finding the Fourth Proportional to 183,398,997.92, 253,092,706.80 and 105,080,979.20

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Solution

The fourth proportional to 183,398,997.92, 253,092,706.80 and 105,080,979.20 is: 145,012,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,398,997.92 : 253,092,706.80 = 105,080,979.20 : x
  2. Step 2: Convert to fraction form
    183,398,997.92/253,092,706.80 = 105,080,979.20/x
  3. Step 3: Cross multiply
    183,398,997.92x = 253,092,706.80 × 105,080,979.20
  4. Step 4: Simplify right side
    183,398,997.92x = 26,595,229,458,922,500
  5. Step 5: Solve for x
    x = 26,595,229,458,922,500/183,398,997.92
  6. Step 6: Final answer
    x = 145,012,948.60

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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.