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Finding the Fourth Proportional to 229,048.19, 316,050.85 and 130,930.03

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Solution

The fourth proportional to 229,048.19, 316,050.85 and 130,930.03 is: 180,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,048.19 : 316,050.85 = 130,930.03 : x
  2. Step 2: Convert to fraction form
    229,048.19/316,050.85 = 130,930.03/x
  3. Step 3: Cross multiply
    229,048.19x = 316,050.85 × 130,930.03
  4. Step 4: Simplify right side
    229,048.19x = 41,380,545,691.77
  5. Step 5: Solve for x
    x = 41,380,545,691.77/229,048.19
  6. Step 6: Final answer
    x = 180,663.06

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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.