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Finding the Fourth Proportional to 251,671.16, 347,314.35 and 144,261.51

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Solution

The fourth proportional to 251,671.16, 347,314.35 and 144,261.51 is: 199,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,671.16 : 347,314.35 = 144,261.51 : x
  2. Step 2: Convert to fraction form
    251,671.16/347,314.35 = 144,261.51/x
  3. Step 3: Cross multiply
    251,671.16x = 347,314.35 × 144,261.51
  4. Step 4: Simplify right side
    251,671.16x = 50,104,092,575.67
  5. Step 5: Solve for x
    x = 50,104,092,575.67/251,671.16
  6. Step 6: Final answer
    x = 199,085.56

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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.