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Finding the Fourth Proportional to 222,772.35, 307,442.13 and 127,276.98

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Solution

The fourth proportional to 222,772.35, 307,442.13 and 127,276.98 is: 175,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,772.35 : 307,442.13 = 127,276.98 : x
  2. Step 2: Convert to fraction form
    222,772.35/307,442.13 = 127,276.98/x
  3. Step 3: Cross multiply
    222,772.35x = 307,442.13 × 127,276.98
  4. Step 4: Simplify right side
    222,772.35x = 39,130,305,831.17
  5. Step 5: Solve for x
    x = 39,130,305,831.17/222,772.35
  6. Step 6: Final answer
    x = 175,651.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.