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Finding the Fourth Proportional to 240,752.58, 360,931.80 and 90,907.83

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Solution

The fourth proportional to 240,752.58, 360,931.80 and 90,907.83 is: 136,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,752.58 : 360,931.80 = 90,907.83 : x
  2. Step 2: Convert to fraction form
    240,752.58/360,931.80 = 90,907.83/x
  3. Step 3: Cross multiply
    240,752.58x = 360,931.80 × 90,907.83
  4. Step 4: Simplify right side
    240,752.58x = 32,811,526,715.99
  5. Step 5: Solve for x
    x = 32,811,526,715.99/240,752.58
  6. Step 6: Final answer
    x = 136,287.33

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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.