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Finding the Fourth Proportional to 186,248.25, 257,283.95 and 166,098.69

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Solution

The fourth proportional to 186,248.25, 257,283.95 and 166,098.69 is: 229,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,248.25 : 257,283.95 = 166,098.69 : x
  2. Step 2: Convert to fraction form
    186,248.25/257,283.95 = 166,098.69/x
  3. Step 3: Cross multiply
    186,248.25x = 257,283.95 × 166,098.69
  4. Step 4: Simplify right side
    186,248.25x = 42,734,526,222.53
  5. Step 5: Solve for x
    x = 42,734,526,222.53/186,248.25
  6. Step 6: Final answer
    x = 229,449.28

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1.5x scale

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.