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Finding the Fourth Proportional to 229,787.06, 317,101.59 and 127,810.33

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Solution

The fourth proportional to 229,787.06, 317,101.59 and 127,810.33 is: 176,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,787.06 : 317,101.59 = 127,810.33 : x
  2. Step 2: Convert to fraction form
    229,787.06/317,101.59 = 127,810.33/x
  3. Step 3: Cross multiply
    229,787.06x = 317,101.59 × 127,810.33
  4. Step 4: Simplify right side
    229,787.06x = 40,528,857,749.14
  5. Step 5: Solve for x
    x = 40,528,857,749.14/229,787.06
  6. Step 6: Final answer
    x = 176,375.72

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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.