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Finding the Fourth Proportional to 122,004.93, 168,366.76 and 68,289.93

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Solution

The fourth proportional to 122,004.93, 168,366.76 and 68,289.93 is: 94,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,004.93 : 168,366.76 = 68,289.93 : x
  2. Step 2: Convert to fraction form
    122,004.93/168,366.76 = 68,289.93/x
  3. Step 3: Cross multiply
    122,004.93x = 168,366.76 × 68,289.93
  4. Step 4: Simplify right side
    122,004.93x = 11,497,754,254.73
  5. Step 5: Solve for x
    x = 11,497,754,254.73/122,004.93
  6. Step 6: Final answer
    x = 94,240.08

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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.