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Finding the Fourth Proportional to 202,550.56, 279,402.96 and 121,922.08

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Solution

The fourth proportional to 202,550.56, 279,402.96 and 121,922.08 is: 168,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,550.56 : 279,402.96 = 121,922.08 : x
  2. Step 2: Convert to fraction form
    202,550.56/279,402.96 = 121,922.08/x
  3. Step 3: Cross multiply
    202,550.56x = 279,402.96 × 121,922.08
  4. Step 4: Simplify right side
    202,550.56x = 34,065,390,041.36
  5. Step 5: Solve for x
    x = 34,065,390,041.36/202,550.56
  6. Step 6: Final answer
    x = 168,182.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.