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Finding the Fourth Proportional to 229,660.08, 316,941.47 and 127,696.01

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Solution

The fourth proportional to 229,660.08, 316,941.47 and 127,696.01 is: 176,226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,660.08 : 316,941.47 = 127,696.01 : x
  2. Step 2: Convert to fraction form
    229,660.08/316,941.47 = 127,696.01/x
  3. Step 3: Cross multiply
    229,660.08x = 316,941.47 × 127,696.01
  4. Step 4: Simplify right side
    229,660.08x = 40,472,158,899.35
  5. Step 5: Solve for x
    x = 40,472,158,899.35/229,660.08
  6. Step 6: Final answer
    x = 176,226.36

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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.