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Finding the Fourth Proportional to 251,472.68, 346,947.32 and 142,565.34

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Solution

The fourth proportional to 251,472.68, 346,947.32 and 142,565.34 is: 196,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,472.68 : 346,947.32 = 142,565.34 : x
  2. Step 2: Convert to fraction form
    251,472.68/346,947.32 = 142,565.34/x
  3. Step 3: Cross multiply
    251,472.68x = 346,947.32 × 142,565.34
  4. Step 4: Simplify right side
    251,472.68x = 49,462,662,994.30
  5. Step 5: Solve for x
    x = 49,462,662,994.30/251,472.68
  6. Step 6: Final answer
    x = 196,692.00

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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.