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Finding the Fourth Proportional to 73,593,079.80, 110,389,619.70 and 25,125,660.60

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Solution

The fourth proportional to 73,593,079.80, 110,389,619.70 and 25,125,660.60 is: 37,688,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,593,079.80 : 110,389,619.70 = 25,125,660.60 : x
  2. Step 2: Convert to fraction form
    73,593,079.80/110,389,619.70 = 25,125,660.60/x
  3. Step 3: Cross multiply
    73,593,079.80x = 110,389,619.70 × 25,125,660.60
  4. Step 4: Simplify right side
    73,593,079.80x = 2,773,612,118,345,274
  5. Step 5: Solve for x
    x = 2,773,612,118,345,274/73,593,079.80
  6. Step 6: Final answer
    x = 37,688,490.90

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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.