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Finding the Fourth Proportional to 159,710,608.60, 220,401,304.14 and 86,371,750.60

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Solution

The fourth proportional to 159,710,608.60, 220,401,304.14 and 86,371,750.60 is: 119,193,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,710,608.60 : 220,401,304.14 = 86,371,750.60 : x
  2. Step 2: Convert to fraction form
    159,710,608.60/220,401,304.14 = 86,371,750.60/x
  3. Step 3: Cross multiply
    159,710,608.60x = 220,401,304.14 × 86,371,750.60
  4. Step 4: Simplify right side
    159,710,608.60x = 19,036,446,473,094,824
  5. Step 5: Solve for x
    x = 19,036,446,473,094,824/159,710,608.60
  6. Step 6: Final answer
    x = 119,193,375.07

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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.