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Finding the Fourth Proportional to 113,732.64, 170,598.94 and 30,626.64

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Solution

The fourth proportional to 113,732.64, 170,598.94 and 30,626.64 is: 45,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,732.64 : 170,598.94 = 30,626.64 : x
  2. Step 2: Convert to fraction form
    113,732.64/170,598.94 = 30,626.64/x
  3. Step 3: Cross multiply
    113,732.64x = 170,598.94 × 30,626.64
  4. Step 4: Simplify right side
    113,732.64x = 5,224,872,319.76
  5. Step 5: Solve for x
    x = 5,224,872,319.76/113,732.64
  6. Step 6: Final answer
    x = 45,939.95

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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.