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Finding the Fourth Proportional to 229,005.95, 316,033.27 and 127,028.08

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Solution

The fourth proportional to 229,005.95, 316,033.27 and 127,028.08 is: 175,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,005.95 : 316,033.27 = 127,028.08 : x
  2. Step 2: Convert to fraction form
    229,005.95/316,033.27 = 127,028.08/x
  3. Step 3: Cross multiply
    229,005.95x = 316,033.27 × 127,028.08
  4. Step 4: Simplify right side
    229,005.95x = 40,145,098,396.57
  5. Step 5: Solve for x
    x = 40,145,098,396.57/229,005.95
  6. Step 6: Final answer
    x = 175,301.56

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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.