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Finding the Fourth Proportional to 248,794.38, 343,323.29 and 141,349.50

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Solution

The fourth proportional to 248,794.38, 343,323.29 and 141,349.50 is: 195,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,794.38 : 343,323.29 = 141,349.50 : x
  2. Step 2: Convert to fraction form
    248,794.38/343,323.29 = 141,349.50/x
  3. Step 3: Cross multiply
    248,794.38x = 343,323.29 × 141,349.50
  4. Step 4: Simplify right side
    248,794.38x = 48,528,575,379.86
  5. Step 5: Solve for x
    x = 48,528,575,379.86/248,794.38
  6. Step 6: Final answer
    x = 195,054.95

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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.