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Finding the Fourth Proportional to 127,601.71, 176,090.43 and 73,889.58

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Solution

The fourth proportional to 127,601.71, 176,090.43 and 73,889.58 is: 101,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.71 : 176,090.43 = 73,889.58 : x
  2. Step 2: Convert to fraction form
    127,601.71/176,090.43 = 73,889.58/x
  3. Step 3: Cross multiply
    127,601.71x = 176,090.43 × 73,889.58
  4. Step 4: Simplify right side
    127,601.71x = 13,011,247,914.72
  5. Step 5: Solve for x
    x = 13,011,247,914.72/127,601.71
  6. Step 6: Final answer
    x = 101,967.66

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1.5x scale

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.