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Finding the Fourth Proportional to 260,524.12, 359,529.72 and 145,801.86

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Solution

The fourth proportional to 260,524.12, 359,529.72 and 145,801.86 is: 201,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,524.12 : 359,529.72 = 145,801.86 : x
  2. Step 2: Convert to fraction form
    260,524.12/359,529.72 = 145,801.86/x
  3. Step 3: Cross multiply
    260,524.12x = 359,529.72 × 145,801.86
  4. Step 4: Simplify right side
    260,524.12x = 52,420,101,901.28
  5. Step 5: Solve for x
    x = 52,420,101,901.28/260,524.12
  6. Step 6: Final answer
    x = 201,210.17

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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.