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Finding the Fourth Proportional to 231,063, 346,594.56 and 83,319

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Solution

The fourth proportional to 231,063, 346,594.56 and 83,319 is: 124,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,063 : 346,594.56 = 83,319 : x
  2. Step 2: Convert to fraction form
    231,063/346,594.56 = 83,319/x
  3. Step 3: Cross multiply
    231,063x = 346,594.56 × 83,319
  4. Step 4: Simplify right side
    231,063x = 28,877,912,144.64
  5. Step 5: Solve for x
    x = 28,877,912,144.64/231,063
  6. Step 6: Final answer
    x = 124,978.52

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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.