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Finding the Fourth Proportional to 153,520.95, 211,850.46 and 84,596.84

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Solution

The fourth proportional to 153,520.95, 211,850.46 and 84,596.84 is: 116,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,520.95 : 211,850.46 = 84,596.84 : x
  2. Step 2: Convert to fraction form
    153,520.95/211,850.46 = 84,596.84/x
  3. Step 3: Cross multiply
    153,520.95x = 211,850.46 × 84,596.84
  4. Step 4: Simplify right side
    153,520.95x = 17,921,879,468.55
  5. Step 5: Solve for x
    x = 17,921,879,468.55/153,520.95
  6. Step 6: Final answer
    x = 116,738.98

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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.