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Finding the Fourth Proportional to 121,216.66, 181,852.53 and 36,984.36

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Solution

The fourth proportional to 121,216.66, 181,852.53 and 36,984.36 is: 55,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.66 : 181,852.53 = 36,984.36 : x
  2. Step 2: Convert to fraction form
    121,216.66/181,852.53 = 36,984.36/x
  3. Step 3: Cross multiply
    121,216.66x = 181,852.53 × 36,984.36
  4. Step 4: Simplify right side
    121,216.66x = 6,725,698,527.17
  5. Step 5: Solve for x
    x = 6,725,698,527.17/121,216.66
  6. Step 6: Final answer
    x = 55,484.94

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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.