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Finding the Fourth Proportional to 251,075.52, 346,484.21 and 137,898.27

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Solution

The fourth proportional to 251,075.52, 346,484.21 and 137,898.27 is: 190,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,075.52 : 346,484.21 = 137,898.27 : x
  2. Step 2: Convert to fraction form
    251,075.52/346,484.21 = 137,898.27/x
  3. Step 3: Cross multiply
    251,075.52x = 346,484.21 × 137,898.27
  4. Step 4: Simplify right side
    251,075.52x = 47,779,572,451.83
  5. Step 5: Solve for x
    x = 47,779,572,451.83/251,075.52
  6. Step 6: Final answer
    x = 190,299.61

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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.