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Finding the Fourth Proportional to 229,048.06, 316,124.26 and 127,106.27

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Solution

The fourth proportional to 229,048.06, 316,124.26 and 127,106.27 is: 175,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,048.06 : 316,124.26 = 127,106.27 : x
  2. Step 2: Convert to fraction form
    229,048.06/316,124.26 = 127,106.27/x
  3. Step 3: Cross multiply
    229,048.06x = 316,124.26 × 127,106.27
  4. Step 4: Simplify right side
    229,048.06x = 40,181,373,964.49
  5. Step 5: Solve for x
    x = 40,181,373,964.49/229,048.06
  6. Step 6: Final answer
    x = 175,427.70

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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.