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Finding the Fourth Proportional to 209,364.68, 313,999.80 and 59,601.64

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Solution

The fourth proportional to 209,364.68, 313,999.80 and 59,601.64 is: 89,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,364.68 : 313,999.80 = 59,601.64 : x
  2. Step 2: Convert to fraction form
    209,364.68/313,999.80 = 59,601.64/x
  3. Step 3: Cross multiply
    209,364.68x = 313,999.80 × 59,601.64
  4. Step 4: Simplify right side
    209,364.68x = 18,714,903,039.67
  5. Step 5: Solve for x
    x = 18,714,903,039.67/209,364.68
  6. Step 6: Final answer
    x = 89,389.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.