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Finding the Fourth Proportional to 186,159.54, 256,892.61 and 101,276.94

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Solution

The fourth proportional to 186,159.54, 256,892.61 and 101,276.94 is: 139,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,159.54 : 256,892.61 = 101,276.94 : x
  2. Step 2: Convert to fraction form
    186,159.54/256,892.61 = 101,276.94/x
  3. Step 3: Cross multiply
    186,159.54x = 256,892.61 × 101,276.94
  4. Step 4: Simplify right side
    186,159.54x = 26,017,297,449.41
  5. Step 5: Solve for x
    x = 26,017,297,449.41/186,159.54
  6. Step 6: Final answer
    x = 139,758.07

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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.