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Finding the Fourth Proportional to 240,805.11, 361,210.40 and 63,330.06

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Solution

The fourth proportional to 240,805.11, 361,210.40 and 63,330.06 is: 94,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,805.11 : 361,210.40 = 63,330.06 : x
  2. Step 2: Convert to fraction form
    240,805.11/361,210.40 = 63,330.06/x
  3. Step 3: Cross multiply
    240,805.11x = 361,210.40 × 63,330.06
  4. Step 4: Simplify right side
    240,805.11x = 22,875,475,987.97
  5. Step 5: Solve for x
    x = 22,875,475,987.97/240,805.11
  6. Step 6: Final answer
    x = 94,995.81

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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.