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Finding the Fourth Proportional to 121,184.57, 181,783.59 and 36,947.51

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Solution

The fourth proportional to 121,184.57, 181,783.59 and 36,947.51 is: 55,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.57 : 181,783.59 = 36,947.51 : x
  2. Step 2: Convert to fraction form
    121,184.57/181,783.59 = 36,947.51/x
  3. Step 3: Cross multiply
    121,184.57x = 181,783.59 × 36,947.51
  4. Step 4: Simplify right side
    121,184.57x = 6,716,450,100.44
  5. Step 5: Solve for x
    x = 6,716,450,100.44/121,184.57
  6. Step 6: Final answer
    x = 55,423.31

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1.5x scale

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.