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Finding the Fourth Proportional to 122,054.76, 168,292.08 and 97,836.30

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Solution

The fourth proportional to 122,054.76, 168,292.08 and 97,836.30 is: 134,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,054.76 : 168,292.08 = 97,836.30 : x
  2. Step 2: Convert to fraction form
    122,054.76/168,292.08 = 97,836.30/x
  3. Step 3: Cross multiply
    122,054.76x = 168,292.08 × 97,836.30
  4. Step 4: Simplify right side
    122,054.76x = 16,465,074,426.50
  5. Step 5: Solve for x
    x = 16,465,074,426.50/122,054.76
  6. Step 6: Final answer
    x = 134,899.08

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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.