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Finding the Fourth Proportional to 117,862.88, 176,827.32 and 39,032.60

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Solution

The fourth proportional to 117,862.88, 176,827.32 and 39,032.60 is: 58,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,862.88 : 176,827.32 = 39,032.60 : x
  2. Step 2: Convert to fraction form
    117,862.88/176,827.32 = 39,032.60/x
  3. Step 3: Cross multiply
    117,862.88x = 176,827.32 × 39,032.60
  4. Step 4: Simplify right side
    117,862.88x = 6,902,030,050.63
  5. Step 5: Solve for x
    x = 6,902,030,050.63/117,862.88
  6. Step 6: Final answer
    x = 58,559.83

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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.