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Finding the Fourth Proportional to 108,734,908.60, 163,102,362.90 and 60,361,967.80

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Solution

The fourth proportional to 108,734,908.60, 163,102,362.90 and 60,361,967.80 is: 90,542,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,734,908.60 : 163,102,362.90 = 60,361,967.80 : x
  2. Step 2: Convert to fraction form
    108,734,908.60/163,102,362.90 = 60,361,967.80/x
  3. Step 3: Cross multiply
    108,734,908.60x = 163,102,362.90 × 60,361,967.80
  4. Step 4: Simplify right side
    108,734,908.60x = 9,845,179,577,473,714
  5. Step 5: Solve for x
    x = 9,845,179,577,473,714/108,734,908.60
  6. Step 6: Final answer
    x = 90,542,951.70

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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.