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Finding the Fourth Proportional to 246,430.61, 340,009.61 and 144,401.29

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Solution

The fourth proportional to 246,430.61, 340,009.61 and 144,401.29 is: 199,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,430.61 : 340,009.61 = 144,401.29 : x
  2. Step 2: Convert to fraction form
    246,430.61/340,009.61 = 144,401.29/x
  3. Step 3: Cross multiply
    246,430.61x = 340,009.61 × 144,401.29
  4. Step 4: Simplify right side
    246,430.61x = 49,097,826,296.40
  5. Step 5: Solve for x
    x = 49,097,826,296.40/246,430.61
  6. Step 6: Final answer
    x = 199,235.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.