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Finding the Fourth Proportional to 186,283.70, 257,071.53 and 101,400.75

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Solution

The fourth proportional to 186,283.70, 257,071.53 and 101,400.75 is: 139,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,283.70 : 257,071.53 = 101,400.75 : x
  2. Step 2: Convert to fraction form
    186,283.70/257,071.53 = 101,400.75/x
  3. Step 3: Cross multiply
    186,283.70x = 257,071.53 × 101,400.75
  4. Step 4: Simplify right side
    186,283.70x = 26,067,245,945.65
  5. Step 5: Solve for x
    x = 26,067,245,945.65/186,283.70
  6. Step 6: Final answer
    x = 139,933.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.