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Finding the Fourth Proportional to 92,883.80, 128,179.60 and 52,597.54

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Solution

The fourth proportional to 92,883.80, 128,179.60 and 52,597.54 is: 72,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.80 : 128,179.60 = 52,597.54 : x
  2. Step 2: Convert to fraction form
    92,883.80/128,179.60 = 52,597.54/x
  3. Step 3: Cross multiply
    92,883.80x = 128,179.60 × 52,597.54
  4. Step 4: Simplify right side
    92,883.80x = 6,741,931,638.18
  5. Step 5: Solve for x
    x = 6,741,931,638.18/92,883.80
  6. Step 6: Final answer
    x = 72,584.58

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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.