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Finding the Fourth Proportional to 158,571,871.95, 218,830,676.61 and 88,958,747.51

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Solution

The fourth proportional to 158,571,871.95, 218,830,676.61 and 88,958,747.51 is: 122,763,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,571,871.95 : 218,830,676.61 = 88,958,747.51 : x
  2. Step 2: Convert to fraction form
    158,571,871.95/218,830,676.61 = 88,958,747.51/x
  3. Step 3: Cross multiply
    158,571,871.95x = 218,830,676.61 × 88,958,747.51
  4. Step 4: Simplify right side
    158,571,871.95x = 19,466,902,906,897,300
  5. Step 5: Solve for x
    x = 19,466,902,906,897,300/158,571,871.95
  6. Step 6: Final answer
    x = 122,763,909.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.