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Finding the Fourth Proportional to 250,041.53, 344,971.91 and 142,534.08

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Solution

The fourth proportional to 250,041.53, 344,971.91 and 142,534.08 is: 196,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,041.53 : 344,971.91 = 142,534.08 : x
  2. Step 2: Convert to fraction form
    250,041.53/344,971.91 = 142,534.08/x
  3. Step 3: Cross multiply
    250,041.53x = 344,971.91 × 142,534.08
  4. Step 4: Simplify right side
    250,041.53x = 49,170,254,174.03
  5. Step 5: Solve for x
    x = 49,170,254,174.03/250,041.53
  6. Step 6: Final answer
    x = 196,648.35

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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.