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Finding the Fourth Proportional to 229,427.52, 316,610.32 and 127,450.21

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Solution

The fourth proportional to 229,427.52, 316,610.32 and 127,450.21 is: 175,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,427.52 : 316,610.32 = 127,450.21 : x
  2. Step 2: Convert to fraction form
    229,427.52/316,610.32 = 127,450.21/x
  3. Step 3: Cross multiply
    229,427.52x = 316,610.32 × 127,450.21
  4. Step 4: Simplify right side
    229,427.52x = 40,352,051,494.63
  5. Step 5: Solve for x
    x = 40,352,051,494.63/229,427.52
  6. Step 6: Final answer
    x = 175,881.48

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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.