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Finding the Fourth Proportional to 79,036.08, 118,541.04 and 36,920.52

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Solution

The fourth proportional to 79,036.08, 118,541.04 and 36,920.52 is: 55,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.08 : 118,541.04 = 36,920.52 : x
  2. Step 2: Convert to fraction form
    79,036.08/118,541.04 = 36,920.52/x
  3. Step 3: Cross multiply
    79,036.08x = 118,541.04 × 36,920.52
  4. Step 4: Simplify right side
    79,036.08x = 4,376,596,838.14
  5. Step 5: Solve for x
    x = 4,376,596,838.14/79,036.08
  6. Step 6: Final answer
    x = 55,374.67

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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.