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Finding the Fourth Proportional to 250,056, 375,084 and 74,952

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Solution

The fourth proportional to 250,056, 375,084 and 74,952 is: 112,428

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,056 : 375,084 = 74,952 : x
  2. Step 2: Convert to fraction form
    250,056/375,084 = 74,952/x
  3. Step 3: Cross multiply
    250,056x = 375,084 × 74,952
  4. Step 4: Simplify right side
    250,056x = 28,113,295,968
  5. Step 5: Solve for x
    x = 28,113,295,968/250,056
  6. Step 6: Final answer
    x = 112,428

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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.