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Finding the Fourth Proportional to 248,875.70, 373,314.90 and 61,887.20

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Solution

The fourth proportional to 248,875.70, 373,314.90 and 61,887.20 is: 92,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,875.70 : 373,314.90 = 61,887.20 : x
  2. Step 2: Convert to fraction form
    248,875.70/373,314.90 = 61,887.20/x
  3. Step 3: Cross multiply
    248,875.70x = 373,314.90 × 61,887.20
  4. Step 4: Simplify right side
    248,875.70x = 23,103,413,879.28
  5. Step 5: Solve for x
    x = 23,103,413,879.28/248,875.70
  6. Step 6: Final answer
    x = 92,831.14

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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.