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Finding the Fourth Proportional to 319,229.88, 478,852.10 and 94,586.10

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Solution

The fourth proportional to 319,229.88, 478,852.10 and 94,586.10 is: 141,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,229.88 : 478,852.10 = 94,586.10 : x
  2. Step 2: Convert to fraction form
    319,229.88/478,852.10 = 94,586.10/x
  3. Step 3: Cross multiply
    319,229.88x = 478,852.10 × 94,586.10
  4. Step 4: Simplify right side
    319,229.88x = 45,292,752,615.81
  5. Step 5: Solve for x
    x = 45,292,752,615.81/319,229.88
  6. Step 6: Final answer
    x = 141,881.31

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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.