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Finding the Fourth Proportional to 240,752.07, 360,931.06 and 90,907.33

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Solution

The fourth proportional to 240,752.07, 360,931.06 and 90,907.33 is: 136,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,752.07 : 360,931.06 = 90,907.33 : x
  2. Step 2: Convert to fraction form
    240,752.07/360,931.06 = 90,907.33/x
  3. Step 3: Cross multiply
    240,752.07x = 360,931.06 × 90,907.33
  4. Step 4: Simplify right side
    240,752.07x = 32,811,278,978.67
  5. Step 5: Solve for x
    x = 32,811,278,978.67/240,752.07
  6. Step 6: Final answer
    x = 136,286.59

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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.