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Finding the Fourth Proportional to 159,230,799, 219,714,802.56 and 89,612,028

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Solution

The fourth proportional to 159,230,799, 219,714,802.56 and 89,612,028 is: 123,651,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,230,799 : 219,714,802.56 = 89,612,028 : x
  2. Step 2: Convert to fraction form
    159,230,799/219,714,802.56 = 89,612,028/x
  3. Step 3: Cross multiply
    159,230,799x = 219,714,802.56 × 89,612,028
  4. Step 4: Simplify right side
    159,230,799x = 19,689,089,039,021,192
  5. Step 5: Solve for x
    x = 19,689,089,039,021,192/159,230,799
  6. Step 6: Final answer
    x = 123,651,260.70

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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.