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Finding the Fourth Proportional to 248,225.52, 342,552.70 and 135,049.08

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Solution

The fourth proportional to 248,225.52, 342,552.70 and 135,049.08 is: 186,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,225.52 : 342,552.70 = 135,049.08 : x
  2. Step 2: Convert to fraction form
    248,225.52/342,552.70 = 135,049.08/x
  3. Step 3: Cross multiply
    248,225.52x = 342,552.70 × 135,049.08
  4. Step 4: Simplify right side
    248,225.52x = 46,261,426,986.52
  5. Step 5: Solve for x
    x = 46,261,426,986.52/248,225.52
  6. Step 6: Final answer
    x = 186,368.54

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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.