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Finding the Fourth Proportional to 262,737, 362,577.60 and 143,505

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Solution

The fourth proportional to 262,737, 362,577.60 and 143,505 is: 198,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,737 : 362,577.60 = 143,505 : x
  2. Step 2: Convert to fraction form
    262,737/362,577.60 = 143,505/x
  3. Step 3: Cross multiply
    262,737x = 362,577.60 × 143,505
  4. Step 4: Simplify right side
    262,737x = 52,031,698,488
  5. Step 5: Solve for x
    x = 52,031,698,488/262,737
  6. Step 6: Final answer
    x = 198,037.19

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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.