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Finding the Fourth Proportional to 91,797.60, 126,633.84 and 59,985.12

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Solution

The fourth proportional to 91,797.60, 126,633.84 and 59,985.12 is: 82,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,797.60 : 126,633.84 = 59,985.12 : x
  2. Step 2: Convert to fraction form
    91,797.60/126,633.84 = 59,985.12/x
  3. Step 3: Cross multiply
    91,797.60x = 126,633.84 × 59,985.12
  4. Step 4: Simplify right side
    91,797.60x = 7,596,146,088.46
  5. Step 5: Solve for x
    x = 7,596,146,088.46/91,797.60
  6. Step 6: Final answer
    x = 82,748.85

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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.