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Finding the Fourth Proportional to 250,791.84, 346,079.52 and 143,347.68

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Solution

The fourth proportional to 250,791.84, 346,079.52 and 143,347.68 is: 197,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,791.84 : 346,079.52 = 143,347.68 : x
  2. Step 2: Convert to fraction form
    250,791.84/346,079.52 = 143,347.68/x
  3. Step 3: Cross multiply
    250,791.84x = 346,079.52 × 143,347.68
  4. Step 4: Simplify right side
    250,791.84x = 49,609,696,287.51
  5. Step 5: Solve for x
    x = 49,609,696,287.51/250,791.84
  6. Step 6: Final answer
    x = 197,812.24

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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.