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Finding the Fourth Proportional to 170,374.68, 255,529.08 and 65,168.64

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Solution

The fourth proportional to 170,374.68, 255,529.08 and 65,168.64 is: 97,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,374.68 : 255,529.08 = 65,168.64 : x
  2. Step 2: Convert to fraction form
    170,374.68/255,529.08 = 65,168.64/x
  3. Step 3: Cross multiply
    170,374.68x = 255,529.08 × 65,168.64
  4. Step 4: Simplify right side
    170,374.68x = 16,652,482,624.05
  5. Step 5: Solve for x
    x = 16,652,482,624.05/170,374.68
  6. Step 6: Final answer
    x = 97,740.36

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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.