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Finding the Fourth Proportional to 186,313, 257,176.74 and 110,859.88

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Solution

The fourth proportional to 186,313, 257,176.74 and 110,859.88 is: 153,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,313 : 257,176.74 = 110,859.88 : x
  2. Step 2: Convert to fraction form
    186,313/257,176.74 = 110,859.88/x
  3. Step 3: Cross multiply
    186,313x = 257,176.74 × 110,859.88
  4. Step 4: Simplify right side
    186,313x = 28,510,582,535.19
  5. Step 5: Solve for x
    x = 28,510,582,535.19/186,313
  6. Step 6: Final answer
    x = 153,025.19

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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.