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Finding the Fourth Proportional to 250,752.64, 346,038.96 and 137,575.84

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Solution

The fourth proportional to 250,752.64, 346,038.96 and 137,575.84 is: 189,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,752.64 : 346,038.96 = 137,575.84 : x
  2. Step 2: Convert to fraction form
    250,752.64/346,038.96 = 137,575.84/x
  3. Step 3: Cross multiply
    250,752.64x = 346,038.96 × 137,575.84
  4. Step 4: Simplify right side
    250,752.64x = 47,606,600,594.73
  5. Step 5: Solve for x
    x = 47,606,600,594.73/250,752.64
  6. Step 6: Final answer
    x = 189,854.83

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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.