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Finding the Fourth Proportional to 127,486.82, 176,003.88 and 97,032.98

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Solution

The fourth proportional to 127,486.82, 176,003.88 and 97,032.98 is: 133,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,486.82 : 176,003.88 = 97,032.98 : x
  2. Step 2: Convert to fraction form
    127,486.82/176,003.88 = 97,032.98/x
  3. Step 3: Cross multiply
    127,486.82x = 176,003.88 × 97,032.98
  4. Step 4: Simplify right side
    127,486.82x = 17,078,180,967.96
  5. Step 5: Solve for x
    x = 17,078,180,967.96/127,486.82
  6. Step 6: Final answer
    x = 133,960.37

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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.