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Finding the Fourth Proportional to 250,833.30, 346,051.42 and 143,345.67

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Solution

The fourth proportional to 250,833.30, 346,051.42 and 143,345.67 is: 197,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,833.30 : 346,051.42 = 143,345.67 : x
  2. Step 2: Convert to fraction form
    250,833.30/346,051.42 = 143,345.67/x
  3. Step 3: Cross multiply
    250,833.30x = 346,051.42 × 143,345.67
  4. Step 4: Simplify right side
    250,833.30x = 49,604,970,998.29
  5. Step 5: Solve for x
    x = 49,604,970,998.29/250,833.30
  6. Step 6: Final answer
    x = 197,760.71

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1.5x scale

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.