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Finding the Fourth Proportional to 164,859.60, 247,307.52 and 52,513.44

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Solution

The fourth proportional to 164,859.60, 247,307.52 and 52,513.44 is: 78,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,859.60 : 247,307.52 = 52,513.44 : x
  2. Step 2: Convert to fraction form
    164,859.60/247,307.52 = 52,513.44/x
  3. Step 3: Cross multiply
    164,859.60x = 247,307.52 × 52,513.44
  4. Step 4: Simplify right side
    164,859.60x = 12,986,968,613.07
  5. Step 5: Solve for x
    x = 12,986,968,613.07/164,859.60
  6. Step 6: Final answer
    x = 78,775.93

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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.