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Finding the Fourth Proportional to 248,302, 372,526.44 and 143,196.40

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Solution

The fourth proportional to 248,302, 372,526.44 and 143,196.40 is: 214,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,302 : 372,526.44 = 143,196.40 : x
  2. Step 2: Convert to fraction form
    248,302/372,526.44 = 143,196.40/x
  3. Step 3: Cross multiply
    248,302x = 372,526.44 × 143,196.40
  4. Step 4: Simplify right side
    248,302x = 53,344,445,112.82
  5. Step 5: Solve for x
    x = 53,344,445,112.82/248,302
  6. Step 6: Final answer
    x = 214,836.95

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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.