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Finding the Fourth Proportional to 127,951.54, 191,533.62 and 83,482.54

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Solution

The fourth proportional to 127,951.54, 191,533.62 and 83,482.54 is: 124,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.54 : 191,533.62 = 83,482.54 : x
  2. Step 2: Convert to fraction form
    127,951.54/191,533.62 = 83,482.54/x
  3. Step 3: Cross multiply
    127,951.54x = 191,533.62 × 83,482.54
  4. Step 4: Simplify right side
    127,951.54x = 15,989,713,092.99
  5. Step 5: Solve for x
    x = 15,989,713,092.99/127,951.54
  6. Step 6: Final answer
    x = 124,966.95

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1.5x scale

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.