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Finding the Fourth Proportional to 207,462, 311,193.12 and 59,718

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Solution

The fourth proportional to 207,462, 311,193.12 and 59,718 is: 89,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,462 : 311,193.12 = 59,718 : x
  2. Step 2: Convert to fraction form
    207,462/311,193.12 = 59,718/x
  3. Step 3: Cross multiply
    207,462x = 311,193.12 × 59,718
  4. Step 4: Simplify right side
    207,462x = 18,583,830,740.16
  5. Step 5: Solve for x
    x = 18,583,830,740.16/207,462
  6. Step 6: Final answer
    x = 89,577.03

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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.