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Finding the Fourth Proportional to 176,953.92, 265,356.36 and 71,699.28

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Solution

The fourth proportional to 176,953.92, 265,356.36 and 71,699.28 is: 107,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,953.92 : 265,356.36 = 71,699.28 : x
  2. Step 2: Convert to fraction form
    176,953.92/265,356.36 = 71,699.28/x
  3. Step 3: Cross multiply
    176,953.92x = 265,356.36 × 71,699.28
  4. Step 4: Simplify right side
    176,953.92x = 19,025,859,955.42
  5. Step 5: Solve for x
    x = 19,025,859,955.42/176,953.92
  6. Step 6: Final answer
    x = 107,518.73

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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.