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Finding the Fourth Proportional to 124,611.25, 186,916.88 and 37,059.25

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Solution

The fourth proportional to 124,611.25, 186,916.88 and 37,059.25 is: 55,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,611.25 : 186,916.88 = 37,059.25 : x
  2. Step 2: Convert to fraction form
    124,611.25/186,916.88 = 37,059.25/x
  3. Step 3: Cross multiply
    124,611.25x = 186,916.88 × 37,059.25
  4. Step 4: Simplify right side
    124,611.25x = 6,926,999,385.14
  5. Step 5: Solve for x
    x = 6,926,999,385.14/124,611.25
  6. Step 6: Final answer
    x = 55,588.88

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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.