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Finding the Fourth Proportional to 358,359.51, 537,527.30 and 105,644.17

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Solution

The fourth proportional to 358,359.51, 537,527.30 and 105,644.17 is: 158,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,359.51 : 537,527.30 = 105,644.17 : x
  2. Step 2: Convert to fraction form
    358,359.51/537,527.30 = 105,644.17/x
  3. Step 3: Cross multiply
    358,359.51x = 537,527.30 × 105,644.17
  4. Step 4: Simplify right side
    358,359.51x = 56,786,622,773.20
  5. Step 5: Solve for x
    x = 56,786,622,773.20/358,359.51
  6. Step 6: Final answer
    x = 158,462.72

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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.