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Finding the Fourth Proportional to 158,722.65, 238,100.11 and 46,404.95

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Solution

The fourth proportional to 158,722.65, 238,100.11 and 46,404.95 is: 69,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,722.65 : 238,100.11 = 46,404.95 : x
  2. Step 2: Convert to fraction form
    158,722.65/238,100.11 = 46,404.95/x
  3. Step 3: Cross multiply
    158,722.65x = 238,100.11 × 46,404.95
  4. Step 4: Simplify right side
    158,722.65x = 11,049,022,393.03
  5. Step 5: Solve for x
    x = 11,049,022,393.03/158,722.65
  6. Step 6: Final answer
    x = 69,612.13

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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.