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Finding the Fourth Proportional to 192,068.47, 265,052.95 and 111,503.47

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Solution

The fourth proportional to 192,068.47, 265,052.95 and 111,503.47 is: 153,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,068.47 : 265,052.95 = 111,503.47 : x
  2. Step 2: Convert to fraction form
    192,068.47/265,052.95 = 111,503.47/x
  3. Step 3: Cross multiply
    192,068.47x = 265,052.95 × 111,503.47
  4. Step 4: Simplify right side
    192,068.47x = 29,554,323,658.74
  5. Step 5: Solve for x
    x = 29,554,323,658.74/192,068.47
  6. Step 6: Final answer
    x = 153,873.90

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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.