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Finding the Fourth Proportional to 248,959.72, 343,555.86 and 141,534.28

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Solution

The fourth proportional to 248,959.72, 343,555.86 and 141,534.28 is: 195,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,959.72 : 343,555.86 = 141,534.28 : x
  2. Step 2: Convert to fraction form
    248,959.72/343,555.86 = 141,534.28/x
  3. Step 3: Cross multiply
    248,959.72x = 343,555.86 × 141,534.28
  4. Step 4: Simplify right side
    248,959.72x = 48,624,931,284.88
  5. Step 5: Solve for x
    x = 48,624,931,284.88/248,959.72
  6. Step 6: Final answer
    x = 195,312.44

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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.