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Finding the Fourth Proportional to 229,585.60, 316,827.20 and 127,610.56

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Solution

The fourth proportional to 229,585.60, 316,827.20 and 127,610.56 is: 176,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,585.60 : 316,827.20 = 127,610.56 : x
  2. Step 2: Convert to fraction form
    229,585.60/316,827.20 = 127,610.56/x
  3. Step 3: Cross multiply
    229,585.60x = 316,827.20 × 127,610.56
  4. Step 4: Simplify right side
    229,585.60x = 40,430,496,415.23
  5. Step 5: Solve for x
    x = 40,430,496,415.23/229,585.60
  6. Step 6: Final answer
    x = 176,102.06

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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.