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Finding the Fourth Proportional to 186,322.95, 257,125.32 and 101,439.81

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Solution

The fourth proportional to 186,322.95, 257,125.32 and 101,439.81 is: 139,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,322.95 : 257,125.32 = 101,439.81 : x
  2. Step 2: Convert to fraction form
    186,322.95/257,125.32 = 101,439.81/x
  3. Step 3: Cross multiply
    186,322.95x = 257,125.32 × 101,439.81
  4. Step 4: Simplify right side
    186,322.95x = 26,082,743,606.99
  5. Step 5: Solve for x
    x = 26,082,743,606.99/186,322.95
  6. Step 6: Final answer
    x = 139,986.75

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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.