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Finding the Fourth Proportional to 270,678.74, 373,574.85 and 157,537.94

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Solution

The fourth proportional to 270,678.74, 373,574.85 and 157,537.94 is: 217,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,678.74 : 373,574.85 = 157,537.94 : x
  2. Step 2: Convert to fraction form
    270,678.74/373,574.85 = 157,537.94/x
  3. Step 3: Cross multiply
    270,678.74x = 373,574.85 × 157,537.94
  4. Step 4: Simplify right side
    270,678.74x = 58,852,212,304.81
  5. Step 5: Solve for x
    x = 58,852,212,304.81/270,678.74
  6. Step 6: Final answer
    x = 217,424.58

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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.