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Finding the Fourth Proportional to 186,756.78, 257,726.22 and 101,875.62

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Solution

The fourth proportional to 186,756.78, 257,726.22 and 101,875.62 is: 140,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,756.78 : 257,726.22 = 101,875.62 : x
  2. Step 2: Convert to fraction form
    186,756.78/257,726.22 = 101,875.62/x
  3. Step 3: Cross multiply
    186,756.78x = 257,726.22 × 101,875.62
  4. Step 4: Simplify right side
    186,756.78x = 26,256,018,452.76
  5. Step 5: Solve for x
    x = 26,256,018,452.76/186,756.78
  6. Step 6: Final answer
    x = 140,589.37

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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.