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Finding the Fourth Proportional to 157,794.48, 236,340.72 and 145,501.92

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Solution

The fourth proportional to 157,794.48, 236,340.72 and 145,501.92 is: 217,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,794.48 : 236,340.72 = 145,501.92 : x
  2. Step 2: Convert to fraction form
    157,794.48/236,340.72 = 145,501.92/x
  3. Step 3: Cross multiply
    157,794.48x = 236,340.72 × 145,501.92
  4. Step 4: Simplify right side
    157,794.48x = 34,388,028,534.18
  5. Step 5: Solve for x
    x = 34,388,028,534.18/157,794.48
  6. Step 6: Final answer
    x = 217,929.22

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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.