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Finding the Fourth Proportional to 89,915.64, 134,873.74 and 23,356.32

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Solution

The fourth proportional to 89,915.64, 134,873.74 and 23,356.32 is: 35,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,915.64 : 134,873.74 = 23,356.32 : x
  2. Step 2: Convert to fraction form
    89,915.64/134,873.74 = 23,356.32/x
  3. Step 3: Cross multiply
    89,915.64x = 134,873.74 × 23,356.32
  4. Step 4: Simplify right side
    89,915.64x = 3,150,154,231.04
  5. Step 5: Solve for x
    x = 3,150,154,231.04/89,915.64
  6. Step 6: Final answer
    x = 35,034.55

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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.