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Finding the Fourth Proportional to 358,527.44, 537,665.72 and 105,740.82

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Solution

The fourth proportional to 358,527.44, 537,665.72 and 105,740.82 is: 158,574.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,527.44 : 537,665.72 = 105,740.82 : x
  2. Step 2: Convert to fraction form
    358,527.44/537,665.72 = 105,740.82/x
  3. Step 3: Cross multiply
    358,527.44x = 537,665.72 × 105,740.82
  4. Step 4: Simplify right side
    358,527.44x = 56,853,213,589.99
  5. Step 5: Solve for x
    x = 56,853,213,589.99/358,527.44
  6. Step 6: Final answer
    x = 158,574.23

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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.