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Finding the Fourth Proportional to 127,285.66, 175,634.70 and 73,560.31

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Solution

The fourth proportional to 127,285.66, 175,634.70 and 73,560.31 is: 101,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,285.66 : 175,634.70 = 73,560.31 : x
  2. Step 2: Convert to fraction form
    127,285.66/175,634.70 = 73,560.31/x
  3. Step 3: Cross multiply
    127,285.66x = 175,634.70 × 73,560.31
  4. Step 4: Simplify right side
    127,285.66x = 12,919,742,263.82
  5. Step 5: Solve for x
    x = 12,919,742,263.82/127,285.66
  6. Step 6: Final answer
    x = 101,501.95

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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.