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Finding the Fourth Proportional to 186,774.48, 257,743.80 and 101,891.52

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Solution

The fourth proportional to 186,774.48, 257,743.80 and 101,891.52 is: 140,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,774.48 : 257,743.80 = 101,891.52 : x
  2. Step 2: Convert to fraction form
    186,774.48/257,743.80 = 101,891.52/x
  3. Step 3: Cross multiply
    186,774.48x = 257,743.80 × 101,891.52
  4. Step 4: Simplify right side
    186,774.48x = 26,261,907,552.58
  5. Step 5: Solve for x
    x = 26,261,907,552.58/186,774.48
  6. Step 6: Final answer
    x = 140,607.58

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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.