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Finding the Fourth Proportional to 112,674, 168,899.12 and 62,776.88

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Solution

The fourth proportional to 112,674, 168,899.12 and 62,776.88 is: 94,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,674 : 168,899.12 = 62,776.88 : x
  2. Step 2: Convert to fraction form
    112,674/168,899.12 = 62,776.88/x
  3. Step 3: Cross multiply
    112,674x = 168,899.12 × 62,776.88
  4. Step 4: Simplify right side
    112,674x = 10,602,959,788.35
  5. Step 5: Solve for x
    x = 10,602,959,788.35/112,674
  6. Step 6: Final answer
    x = 94,102.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.