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Finding the Fourth Proportional to 121,476.90, 182,242.06 and 37,248.64

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Solution

The fourth proportional to 121,476.90, 182,242.06 and 37,248.64 is: 55,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,476.90 : 182,242.06 = 37,248.64 : x
  2. Step 2: Convert to fraction form
    121,476.90/182,242.06 = 37,248.64/x
  3. Step 3: Cross multiply
    121,476.90x = 182,242.06 × 37,248.64
  4. Step 4: Simplify right side
    121,476.90x = 6,788,268,885.80
  5. Step 5: Solve for x
    x = 6,788,268,885.80/121,476.90
  6. Step 6: Final answer
    x = 55,881.15

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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.