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Finding the Fourth Proportional to 240,298.11, 360,501.84 and 127,919.12

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Solution

The fourth proportional to 240,298.11, 360,501.84 and 127,919.12 is: 191,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,298.11 : 360,501.84 = 127,919.12 : x
  2. Step 2: Convert to fraction form
    240,298.11/360,501.84 = 127,919.12/x
  3. Step 3: Cross multiply
    240,298.11x = 360,501.84 × 127,919.12
  4. Step 4: Simplify right side
    240,298.11x = 46,115,076,328.67
  5. Step 5: Solve for x
    x = 46,115,076,328.67/240,298.11
  6. Step 6: Final answer
    x = 191,907.78

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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.