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Finding the Fourth Proportional to 229,775.36, 317,051.24 and 127,787.44

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Solution

The fourth proportional to 229,775.36, 317,051.24 and 127,787.44 is: 176,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,775.36 : 317,051.24 = 127,787.44 : x
  2. Step 2: Convert to fraction form
    229,775.36/317,051.24 = 127,787.44/x
  3. Step 3: Cross multiply
    229,775.36x = 317,051.24 × 127,787.44
  4. Step 4: Simplify right side
    229,775.36x = 40,515,166,308.43
  5. Step 5: Solve for x
    x = 40,515,166,308.43/229,775.36
  6. Step 6: Final answer
    x = 176,325.11

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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.