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Finding the Fourth Proportional to 176,957.28, 265,545 and 71,777.16

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Solution

The fourth proportional to 176,957.28, 265,545 and 71,777.16 is: 107,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,957.28 : 265,545 = 71,777.16 : x
  2. Step 2: Convert to fraction form
    176,957.28/265,545 = 71,777.16/x
  3. Step 3: Cross multiply
    176,957.28x = 265,545 × 71,777.16
  4. Step 4: Simplify right side
    176,957.28x = 19,060,065,952.20
  5. Step 5: Solve for x
    x = 19,060,065,952.20/176,957.28
  6. Step 6: Final answer
    x = 107,709.98

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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.