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Finding the Fourth Proportional to 155,063.98, 232,448.24 and 49,809.07

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Solution

The fourth proportional to 155,063.98, 232,448.24 and 49,809.07 is: 74,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,063.98 : 232,448.24 = 49,809.07 : x
  2. Step 2: Convert to fraction form
    155,063.98/232,448.24 = 49,809.07/x
  3. Step 3: Cross multiply
    155,063.98x = 232,448.24 × 49,809.07
  4. Step 4: Simplify right side
    155,063.98x = 11,578,030,408.49
  5. Step 5: Solve for x
    x = 11,578,030,408.49/155,063.98
  6. Step 6: Final answer
    x = 74,666.15

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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.