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Finding the Fourth Proportional to 358,357.14, 537,446.07 and 105,587.46

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Solution

The fourth proportional to 358,357.14, 537,446.07 and 105,587.46 is: 158,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,357.14 : 537,446.07 = 105,587.46 : x
  2. Step 2: Convert to fraction form
    358,357.14/537,446.07 = 105,587.46/x
  3. Step 3: Cross multiply
    358,357.14x = 537,446.07 × 105,587.46
  4. Step 4: Simplify right side
    358,357.14x = 56,747,565,418.28
  5. Step 5: Solve for x
    x = 56,747,565,418.28/358,357.14
  6. Step 6: Final answer
    x = 158,354.78

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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.