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Finding the Fourth Proportional to 248,066.90, 372,100.35 and 189,017.90

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Solution

The fourth proportional to 248,066.90, 372,100.35 and 189,017.90 is: 283,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,066.90 : 372,100.35 = 189,017.90 : x
  2. Step 2: Convert to fraction form
    248,066.90/372,100.35 = 189,017.90/x
  3. Step 3: Cross multiply
    248,066.90x = 372,100.35 × 189,017.90
  4. Step 4: Simplify right side
    248,066.90x = 70,333,626,746.27
  5. Step 5: Solve for x
    x = 70,333,626,746.27/248,066.90
  6. Step 6: Final answer
    x = 283,526.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.