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Finding the Fourth Proportional to 251,083.53, 346,410.93 and 142,173.03

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Solution

The fourth proportional to 251,083.53, 346,410.93 and 142,173.03 is: 196,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,083.53 : 346,410.93 = 142,173.03 : x
  2. Step 2: Convert to fraction form
    251,083.53/346,410.93 = 142,173.03/x
  3. Step 3: Cross multiply
    251,083.53x = 346,410.93 × 142,173.03
  4. Step 4: Simplify right side
    251,083.53x = 49,250,291,543.22
  5. Step 5: Solve for x
    x = 49,250,291,543.22/251,083.53
  6. Step 6: Final answer
    x = 196,151.02

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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.