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Finding the Fourth Proportional to 239,482.76, 359,120.04 and 68,666.86

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Solution

The fourth proportional to 239,482.76, 359,120.04 and 68,666.86 is: 102,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,482.76 : 359,120.04 = 68,666.86 : x
  2. Step 2: Convert to fraction form
    239,482.76/359,120.04 = 68,666.86/x
  3. Step 3: Cross multiply
    239,482.76x = 359,120.04 × 68,666.86
  4. Step 4: Simplify right side
    239,482.76x = 24,659,645,509.87
  5. Step 5: Solve for x
    x = 24,659,645,509.87/239,482.76
  6. Step 6: Final answer
    x = 102,970.44

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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.