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Finding the Fourth Proportional to 186,301, 257,160.18 and 110,847.88

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Solution

The fourth proportional to 186,301, 257,160.18 and 110,847.88 is: 153,008.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,301 : 257,160.18 = 110,847.88 : x
  2. Step 2: Convert to fraction form
    186,301/257,160.18 = 110,847.88/x
  3. Step 3: Cross multiply
    186,301x = 257,160.18 × 110,847.88
  4. Step 4: Simplify right side
    186,301x = 28,505,660,773.42
  5. Step 5: Solve for x
    x = 28,505,660,773.42/186,301
  6. Step 6: Final answer
    x = 153,008.63

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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.