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Finding the Fourth Proportional to 183,695.28, 253,510.83 and 122,336.26

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Solution

The fourth proportional to 183,695.28, 253,510.83 and 122,336.26 is: 168,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,695.28 : 253,510.83 = 122,336.26 : x
  2. Step 2: Convert to fraction form
    183,695.28/253,510.83 = 122,336.26/x
  3. Step 3: Cross multiply
    183,695.28x = 253,510.83 × 122,336.26
  4. Step 4: Simplify right side
    183,695.28x = 31,013,566,811.70
  5. Step 5: Solve for x
    x = 31,013,566,811.70/183,695.28
  6. Step 6: Final answer
    x = 168,831.59

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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.