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Finding the Fourth Proportional to 127,409.94, 191,167.56 and 64,196.28

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Solution

The fourth proportional to 127,409.94, 191,167.56 and 64,196.28 is: 96,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,409.94 : 191,167.56 = 64,196.28 : x
  2. Step 2: Convert to fraction form
    127,409.94/191,167.56 = 64,196.28/x
  3. Step 3: Cross multiply
    127,409.94x = 191,167.56 × 64,196.28
  4. Step 4: Simplify right side
    127,409.94x = 12,272,246,208.68
  5. Step 5: Solve for x
    x = 12,272,246,208.68/127,409.94
  6. Step 6: Final answer
    x = 96,320.95

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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.