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Finding the Fourth Proportional to 112,301.03, 168,451.04 and 45,746.03

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Solution

The fourth proportional to 112,301.03, 168,451.04 and 45,746.03 is: 68,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,301.03 : 168,451.04 = 45,746.03 : x
  2. Step 2: Convert to fraction form
    112,301.03/168,451.04 = 45,746.03/x
  3. Step 3: Cross multiply
    112,301.03x = 168,451.04 × 45,746.03
  4. Step 4: Simplify right side
    112,301.03x = 7,705,966,864.86
  5. Step 5: Solve for x
    x = 7,705,966,864.86/112,301.03
  6. Step 6: Final answer
    x = 68,618.84

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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.