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Finding the Fourth Proportional to 353,754.45, 530,714.70 and 117,097.13

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Solution

The fourth proportional to 353,754.45, 530,714.70 and 117,097.13 is: 175,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,754.45 : 530,714.70 = 117,097.13 : x
  2. Step 2: Convert to fraction form
    353,754.45/530,714.70 = 117,097.13/x
  3. Step 3: Cross multiply
    353,754.45x = 530,714.70 × 117,097.13
  4. Step 4: Simplify right side
    353,754.45x = 62,145,165,565.24
  5. Step 5: Solve for x
    x = 62,145,165,565.24/353,754.45
  6. Step 6: Final answer
    x = 175,673.17

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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.