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Finding the Fourth Proportional to 248,951.19, 343,551.08 and 141,521.22

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Solution

The fourth proportional to 248,951.19, 343,551.08 and 141,521.22 is: 195,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,951.19 : 343,551.08 = 141,521.22 : x
  2. Step 2: Convert to fraction form
    248,951.19/343,551.08 = 141,521.22/x
  3. Step 3: Cross multiply
    248,951.19x = 343,551.08 × 141,521.22
  4. Step 4: Simplify right side
    248,951.19x = 48,619,767,266.31
  5. Step 5: Solve for x
    x = 48,619,767,266.31/248,951.19
  6. Step 6: Final answer
    x = 195,298.39

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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.