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Finding the Fourth Proportional to 186,137.88, 256,870.08 and 101,254.74

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Solution

The fourth proportional to 186,137.88, 256,870.08 and 101,254.74 is: 139,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,137.88 : 256,870.08 = 101,254.74 : x
  2. Step 2: Convert to fraction form
    186,137.88/256,870.08 = 101,254.74/x
  3. Step 3: Cross multiply
    186,137.88x = 256,870.08 × 101,254.74
  4. Step 4: Simplify right side
    186,137.88x = 26,009,313,164.18
  5. Step 5: Solve for x
    x = 26,009,313,164.18/186,137.88
  6. Step 6: Final answer
    x = 139,731.44

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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.