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Finding the Fourth Proportional to 251,679.10, 347,332.14 and 144,256.10

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Solution

The fourth proportional to 251,679.10, 347,332.14 and 144,256.10 is: 199,082.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,679.10 : 347,332.14 = 144,256.10 : x
  2. Step 2: Convert to fraction form
    251,679.10/347,332.14 = 144,256.10/x
  3. Step 3: Cross multiply
    251,679.10x = 347,332.14 × 144,256.10
  4. Step 4: Simplify right side
    251,679.10x = 50,104,779,921.05
  5. Step 5: Solve for x
    x = 50,104,779,921.05/251,679.10
  6. Step 6: Final answer
    x = 199,082.01

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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.