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Finding the Fourth Proportional to 157,574, 236,228.42 and 73,291.34

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Solution

The fourth proportional to 157,574, 236,228.42 and 73,291.34 is: 109,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,574 : 236,228.42 = 73,291.34 : x
  2. Step 2: Convert to fraction form
    157,574/236,228.42 = 73,291.34/x
  3. Step 3: Cross multiply
    157,574x = 236,228.42 × 73,291.34
  4. Step 4: Simplify right side
    157,574x = 17,313,497,447.88
  5. Step 5: Solve for x
    x = 17,313,497,447.88/157,574
  6. Step 6: Final answer
    x = 109,875.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.