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Finding the Fourth Proportional to 122,274.61, 168,661.30 and 88,332.98

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Solution

The fourth proportional to 122,274.61, 168,661.30 and 88,332.98 is: 121,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,274.61 : 168,661.30 = 88,332.98 : x
  2. Step 2: Convert to fraction form
    122,274.61/168,661.30 = 88,332.98/x
  3. Step 3: Cross multiply
    122,274.61x = 168,661.30 × 88,332.98
  4. Step 4: Simplify right side
    122,274.61x = 14,898,353,954.70
  5. Step 5: Solve for x
    x = 14,898,353,954.70/122,274.61
  6. Step 6: Final answer
    x = 121,843.40

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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.