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Finding the Fourth Proportional to 121,053.93, 181,610.03 and 37,947.93

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Solution

The fourth proportional to 121,053.93, 181,610.03 and 37,947.93 is: 56,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,053.93 : 181,610.03 = 37,947.93 : x
  2. Step 2: Convert to fraction form
    121,053.93/181,610.03 = 37,947.93/x
  3. Step 3: Cross multiply
    121,053.93x = 181,610.03 × 37,947.93
  4. Step 4: Simplify right side
    121,053.93x = 6,891,724,705.74
  5. Step 5: Solve for x
    x = 6,891,724,705.74/121,053.93
  6. Step 6: Final answer
    x = 56,931.03

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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.