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Finding the Fourth Proportional to 356,470.80, 534,657.60 and 107,152.80

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Solution

The fourth proportional to 356,470.80, 534,657.60 and 107,152.80 is: 160,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,470.80 : 534,657.60 = 107,152.80 : x
  2. Step 2: Convert to fraction form
    356,470.80/534,657.60 = 107,152.80/x
  3. Step 3: Cross multiply
    356,470.80x = 534,657.60 × 107,152.80
  4. Step 4: Simplify right side
    356,470.80x = 57,290,058,881.28
  5. Step 5: Solve for x
    x = 57,290,058,881.28/356,470.80
  6. Step 6: Final answer
    x = 160,714.59

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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.