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Finding the Fourth Proportional to 250,388.64, 375,583.60 and 63,400.16

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Solution

The fourth proportional to 250,388.64, 375,583.60 and 63,400.16 is: 95,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,388.64 : 375,583.60 = 63,400.16 : x
  2. Step 2: Convert to fraction form
    250,388.64/375,583.60 = 63,400.16/x
  3. Step 3: Cross multiply
    250,388.64x = 375,583.60 × 63,400.16
  4. Step 4: Simplify right side
    250,388.64x = 23,812,060,333.38
  5. Step 5: Solve for x
    x = 23,812,060,333.38/250,388.64
  6. Step 6: Final answer
    x = 95,100.40

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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.