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Finding the Fourth Proportional to 469,031.58, 703,547.37 and 132,072.12

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Solution

The fourth proportional to 469,031.58, 703,547.37 and 132,072.12 is: 198,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,031.58 : 703,547.37 = 132,072.12 : x
  2. Step 2: Convert to fraction form
    469,031.58/703,547.37 = 132,072.12/x
  3. Step 3: Cross multiply
    469,031.58x = 703,547.37 × 132,072.12
  4. Step 4: Simplify right side
    469,031.58x = 92,918,992,676.32
  5. Step 5: Solve for x
    x = 92,918,992,676.32/469,031.58
  6. Step 6: Final answer
    x = 198,108.18

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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.