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Finding the Fourth Proportional to 334,076.80, 501,115.20 and 97,443.40

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Solution

The fourth proportional to 334,076.80, 501,115.20 and 97,443.40 is: 146,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,076.80 : 501,115.20 = 97,443.40 : x
  2. Step 2: Convert to fraction form
    334,076.80/501,115.20 = 97,443.40/x
  3. Step 3: Cross multiply
    334,076.80x = 501,115.20 × 97,443.40
  4. Step 4: Simplify right side
    334,076.80x = 48,830,368,879.68
  5. Step 5: Solve for x
    x = 48,830,368,879.68/334,076.80
  6. Step 6: Final answer
    x = 146,165.10

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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.