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Finding the Fourth Proportional to 348,573.06, 522,848.61 and 99,255.06

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Solution

The fourth proportional to 348,573.06, 522,848.61 and 99,255.06 is: 148,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,573.06 : 522,848.61 = 99,255.06 : x
  2. Step 2: Convert to fraction form
    348,573.06/522,848.61 = 99,255.06/x
  3. Step 3: Cross multiply
    348,573.06x = 522,848.61 × 99,255.06
  4. Step 4: Simplify right side
    348,573.06x = 51,895,370,156.47
  5. Step 5: Solve for x
    x = 51,895,370,156.47/348,573.06
  6. Step 6: Final answer
    x = 148,879.46

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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.