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Finding the Fourth Proportional to 119,289.58, 178,934.40 and 56,063.27

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Solution

The fourth proportional to 119,289.58, 178,934.40 and 56,063.27 is: 84,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,289.58 : 178,934.40 = 56,063.27 : x
  2. Step 2: Convert to fraction form
    119,289.58/178,934.40 = 56,063.27/x
  3. Step 3: Cross multiply
    119,289.58x = 178,934.40 × 56,063.27
  4. Step 4: Simplify right side
    119,289.58x = 10,031,648,026.82
  5. Step 5: Solve for x
    x = 10,031,648,026.82/119,289.58
  6. Step 6: Final answer
    x = 84,094.92

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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.