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Finding the Fourth Proportional to 127,576.76, 176,055.93 and 73,864.58

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Solution

The fourth proportional to 127,576.76, 176,055.93 and 73,864.58 is: 101,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,576.76 : 176,055.93 = 73,864.58 : x
  2. Step 2: Convert to fraction form
    127,576.76/176,055.93 = 73,864.58/x
  3. Step 3: Cross multiply
    127,576.76x = 176,055.93 × 73,864.58
  4. Step 4: Simplify right side
    127,576.76x = 13,004,296,445.68
  5. Step 5: Solve for x
    x = 13,004,296,445.68/127,576.76
  6. Step 6: Final answer
    x = 101,933.12

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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.