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Finding the Fourth Proportional to 186,451.88, 257,302.98 and 101,568.68

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Solution

The fourth proportional to 186,451.88, 257,302.98 and 101,568.68 is: 140,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,451.88 : 257,302.98 = 101,568.68 : x
  2. Step 2: Convert to fraction form
    186,451.88/257,302.98 = 101,568.68/x
  3. Step 3: Cross multiply
    186,451.88x = 257,302.98 × 101,568.68
  4. Step 4: Simplify right side
    186,451.88x = 26,133,924,038.67
  5. Step 5: Solve for x
    x = 26,133,924,038.67/186,451.88
  6. Step 6: Final answer
    x = 140,164.44

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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.