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Finding the Fourth Proportional to 173,412.65, 239,308.74 and 96,931.64

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Solution

The fourth proportional to 173,412.65, 239,308.74 and 96,931.64 is: 133,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,412.65 : 239,308.74 = 96,931.64 : x
  2. Step 2: Convert to fraction form
    173,412.65/239,308.74 = 96,931.64/x
  3. Step 3: Cross multiply
    173,412.65x = 239,308.74 × 96,931.64
  4. Step 4: Simplify right side
    173,412.65x = 23,196,588,634.53
  5. Step 5: Solve for x
    x = 23,196,588,634.53/173,412.65
  6. Step 6: Final answer
    x = 133,765.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.