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Finding the Fourth Proportional to 208,150.60, 287,254.79 and 127,562.56

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Solution

The fourth proportional to 208,150.60, 287,254.79 and 127,562.56 is: 176,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,150.60 : 287,254.79 = 127,562.56 : x
  2. Step 2: Convert to fraction form
    208,150.60/287,254.79 = 127,562.56/x
  3. Step 3: Cross multiply
    208,150.60x = 287,254.79 × 127,562.56
  4. Step 4: Simplify right side
    208,150.60x = 36,642,955,427.35
  5. Step 5: Solve for x
    x = 36,642,955,427.35/208,150.60
  6. Step 6: Final answer
    x = 176,040.60

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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.