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Finding the Fourth Proportional to 238,779.66, 358,169.50 and 163,672.11

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Solution

The fourth proportional to 238,779.66, 358,169.50 and 163,672.11 is: 245,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,779.66 : 358,169.50 = 163,672.11 : x
  2. Step 2: Convert to fraction form
    238,779.66/358,169.50 = 163,672.11/x
  3. Step 3: Cross multiply
    238,779.66x = 358,169.50 × 163,672.11
  4. Step 4: Simplify right side
    238,779.66x = 58,622,357,393.46
  5. Step 5: Solve for x
    x = 58,622,357,393.46/238,779.66
  6. Step 6: Final answer
    x = 245,508.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.