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Finding the Fourth Proportional to 122,748.94, 168,659.44 and 97,554.70

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Solution

The fourth proportional to 122,748.94, 168,659.44 and 97,554.70 is: 134,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,748.94 : 168,659.44 = 97,554.70 : x
  2. Step 2: Convert to fraction form
    122,748.94/168,659.44 = 97,554.70/x
  3. Step 3: Cross multiply
    122,748.94x = 168,659.44 × 97,554.70
  4. Step 4: Simplify right side
    122,748.94x = 16,453,521,071.37
  5. Step 5: Solve for x
    x = 16,453,521,071.37/122,748.94
  6. Step 6: Final answer
    x = 134,042.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.