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Finding the Fourth Proportional to 186,875.70, 279,657.45 and 127,826.70

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Solution

The fourth proportional to 186,875.70, 279,657.45 and 127,826.70 is: 191,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,875.70 : 279,657.45 = 127,826.70 : x
  2. Step 2: Convert to fraction form
    186,875.70/279,657.45 = 127,826.70/x
  3. Step 3: Cross multiply
    186,875.70x = 279,657.45 × 127,826.70
  4. Step 4: Simplify right side
    186,875.70x = 35,747,688,963.92
  5. Step 5: Solve for x
    x = 35,747,688,963.92/186,875.70
  6. Step 6: Final answer
    x = 191,291.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.