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Finding the Fourth Proportional to 164,883.70, 247,617.15 and 127,534.60

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Solution

The fourth proportional to 164,883.70, 247,617.15 and 127,534.60 is: 191,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,883.70 : 247,617.15 = 127,534.60 : x
  2. Step 2: Convert to fraction form
    164,883.70/247,617.15 = 127,534.60/x
  3. Step 3: Cross multiply
    164,883.70x = 247,617.15 × 127,534.60
  4. Step 4: Simplify right side
    164,883.70x = 31,579,754,178.39
  5. Step 5: Solve for x
    x = 31,579,754,178.39/164,883.70
  6. Step 6: Final answer
    x = 191,527.45

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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.