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Finding the Fourth Proportional to 88,702.42, 122,404.84 and 48,415.85

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Solution

The fourth proportional to 88,702.42, 122,404.84 and 48,415.85 is: 66,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,702.42 : 122,404.84 = 48,415.85 : x
  2. Step 2: Convert to fraction form
    88,702.42/122,404.84 = 48,415.85/x
  3. Step 3: Cross multiply
    88,702.42x = 122,404.84 × 48,415.85
  4. Step 4: Simplify right side
    88,702.42x = 5,926,334,130.63
  5. Step 5: Solve for x
    x = 5,926,334,130.63/88,702.42
  6. Step 6: Final answer
    x = 66,811.42

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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.