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Finding the Fourth Proportional to 112,318.68, 168,421.68 and 37,412.49

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Solution

The fourth proportional to 112,318.68, 168,421.68 and 37,412.49 is: 56,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,318.68 : 168,421.68 = 37,412.49 : x
  2. Step 2: Convert to fraction form
    112,318.68/168,421.68 = 37,412.49/x
  3. Step 3: Cross multiply
    112,318.68x = 168,421.68 × 37,412.49
  4. Step 4: Simplify right side
    112,318.68x = 6,301,074,418.78
  5. Step 5: Solve for x
    x = 6,301,074,418.78/112,318.68
  6. Step 6: Final answer
    x = 56,099.97

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1.5x scale

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.