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Finding the Fourth Proportional to 127,510.79, 191,266.52 and 60,935.76

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Solution

The fourth proportional to 127,510.79, 191,266.52 and 60,935.76 is: 91,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,510.79 : 191,266.52 = 60,935.76 : x
  2. Step 2: Convert to fraction form
    127,510.79/191,266.52 = 60,935.76/x
  3. Step 3: Cross multiply
    127,510.79x = 191,266.52 × 60,935.76
  4. Step 4: Simplify right side
    127,510.79x = 11,654,970,454.08
  5. Step 5: Solve for x
    x = 11,654,970,454.08/127,510.79
  6. Step 6: Final answer
    x = 91,403.80

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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.