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Finding the Fourth Proportional to 202,304.93, 279,292.67 and 121,752.25

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Solution

The fourth proportional to 202,304.93, 279,292.67 and 121,752.25 is: 168,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,304.93 : 279,292.67 = 121,752.25 : x
  2. Step 2: Convert to fraction form
    202,304.93/279,292.67 = 121,752.25/x
  3. Step 3: Cross multiply
    202,304.93x = 279,292.67 × 121,752.25
  4. Step 4: Simplify right side
    202,304.93x = 34,004,510,981.01
  5. Step 5: Solve for x
    x = 34,004,510,981.01/202,304.93
  6. Step 6: Final answer
    x = 168,085.43

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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.