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Finding the Fourth Proportional to 121,751.01, 182,643.93 and 37,518.30

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Solution

The fourth proportional to 121,751.01, 182,643.93 and 37,518.30 is: 56,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,751.01 : 182,643.93 = 37,518.30 : x
  2. Step 2: Convert to fraction form
    121,751.01/182,643.93 = 37,518.30/x
  3. Step 3: Cross multiply
    121,751.01x = 182,643.93 × 37,518.30
  4. Step 4: Simplify right side
    121,751.01x = 6,852,489,758.92
  5. Step 5: Solve for x
    x = 6,852,489,758.92/121,751.01
  6. Step 6: Final answer
    x = 56,282.82

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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.