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Finding the Fourth Proportional to 373,533.80, 559,967.76 and 136,821.06

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Solution

The fourth proportional to 373,533.80, 559,967.76 and 136,821.06 is: 205,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,533.80 : 559,967.76 = 136,821.06 : x
  2. Step 2: Convert to fraction form
    373,533.80/559,967.76 = 136,821.06/x
  3. Step 3: Cross multiply
    373,533.80x = 559,967.76 × 136,821.06
  4. Step 4: Simplify right side
    373,533.80x = 76,615,382,489.03
  5. Step 5: Solve for x
    x = 76,615,382,489.03/373,533.80
  6. Step 6: Final answer
    x = 205,109.64

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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.