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Finding the Fourth Proportional to 90,956.58, 136,182.96 and 46,487.58

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Solution

The fourth proportional to 90,956.58, 136,182.96 and 46,487.58 is: 69,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956.58 : 136,182.96 = 46,487.58 : x
  2. Step 2: Convert to fraction form
    90,956.58/136,182.96 = 46,487.58/x
  3. Step 3: Cross multiply
    90,956.58x = 136,182.96 × 46,487.58
  4. Step 4: Simplify right side
    90,956.58x = 6,330,816,247.64
  5. Step 5: Solve for x
    x = 6,330,816,247.64/90,956.58
  6. Step 6: Final answer
    x = 69,602.62

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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.