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Finding the Fourth Proportional to 255,480.04, 383,222.94 and 97,716.52

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Solution

The fourth proportional to 255,480.04, 383,222.94 and 97,716.52 is: 146,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,480.04 : 383,222.94 = 97,716.52 : x
  2. Step 2: Convert to fraction form
    255,480.04/383,222.94 = 97,716.52/x
  3. Step 3: Cross multiply
    255,480.04x = 383,222.94 × 97,716.52
  4. Step 4: Simplify right side
    255,480.04x = 37,447,212,080.97
  5. Step 5: Solve for x
    x = 37,447,212,080.97/255,480.04
  6. Step 6: Final answer
    x = 146,575.88

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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.