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Finding the Fourth Proportional to 104,066.65, 156,106.95 and 36,590.61

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Solution

The fourth proportional to 104,066.65, 156,106.95 and 36,590.61 is: 54,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.65 : 156,106.95 = 36,590.61 : x
  2. Step 2: Convert to fraction form
    104,066.65/156,106.95 = 36,590.61/x
  3. Step 3: Cross multiply
    104,066.65x = 156,106.95 × 36,590.61
  4. Step 4: Simplify right side
    104,066.65x = 5,712,048,525.74
  5. Step 5: Solve for x
    x = 5,712,048,525.74/104,066.65
  6. Step 6: Final answer
    x = 54,888.37

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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.