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Finding the Fourth Proportional to 167,655,065.80, 251,482,598.70 and 159,718,880.20

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Solution

The fourth proportional to 167,655,065.80, 251,482,598.70 and 159,718,880.20 is: 239,578,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,655,065.80 : 251,482,598.70 = 159,718,880.20 : x
  2. Step 2: Convert to fraction form
    167,655,065.80/251,482,598.70 = 159,718,880.20/x
  3. Step 3: Cross multiply
    167,655,065.80x = 251,482,598.70 × 159,718,880.20
  4. Step 4: Simplify right side
    167,655,065.80x = 40,166,519,054,149,968
  5. Step 5: Solve for x
    x = 40,166,519,054,149,968/167,655,065.80
  6. Step 6: Final answer
    x = 239,578,320.30

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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.