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Finding the Fourth Proportional to 186,688.80, 256,893.12 and 168,804

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Solution

The fourth proportional to 186,688.80, 256,893.12 and 168,804 is: 232,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688.80 : 256,893.12 = 168,804 : x
  2. Step 2: Convert to fraction form
    186,688.80/256,893.12 = 168,804/x
  3. Step 3: Cross multiply
    186,688.80x = 256,893.12 × 168,804
  4. Step 4: Simplify right side
    186,688.80x = 43,364,586,228.48
  5. Step 5: Solve for x
    x = 43,364,586,228.48/186,688.80
  6. Step 6: Final answer
    x = 232,282.74

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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.