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Finding the Fourth Proportional to 127,663.16, 176,148.45 and 73,944.98

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Solution

The fourth proportional to 127,663.16, 176,148.45 and 73,944.98 is: 102,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,663.16 : 176,148.45 = 73,944.98 : x
  2. Step 2: Convert to fraction form
    127,663.16/176,148.45 = 73,944.98/x
  3. Step 3: Cross multiply
    127,663.16x = 176,148.45 × 73,944.98
  4. Step 4: Simplify right side
    127,663.16x = 13,025,292,731.54
  5. Step 5: Solve for x
    x = 13,025,292,731.54/127,663.16
  6. Step 6: Final answer
    x = 102,028.60

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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.