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Finding the Fourth Proportional to 260,684,659.60, 359,704,839.40 and 150,655,123.60

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Solution

The fourth proportional to 260,684,659.60, 359,704,839.40 and 150,655,123.60 is: 207,880,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,659.60 : 359,704,839.40 = 150,655,123.60 : x
  2. Step 2: Convert to fraction form
    260,684,659.60/359,704,839.40 = 150,655,123.60/x
  3. Step 3: Cross multiply
    260,684,659.60x = 359,704,839.40 × 150,655,123.60
  4. Step 4: Simplify right side
    260,684,659.60x = 54,191,377,039,325,144
  5. Step 5: Solve for x
    x = 54,191,377,039,325,144/260,684,659.60
  6. Step 6: Final answer
    x = 207,880,959.02

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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.