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Finding the Fourth Proportional to 358,682.99, 537,897.66 and 105,895.86

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Solution

The fourth proportional to 358,682.99, 537,897.66 and 105,895.86 is: 158,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,682.99 : 537,897.66 = 105,895.86 : x
  2. Step 2: Convert to fraction form
    358,682.99/537,897.66 = 105,895.86/x
  3. Step 3: Cross multiply
    358,682.99x = 537,897.66 × 105,895.86
  4. Step 4: Simplify right side
    358,682.99x = 56,961,133,479.13
  5. Step 5: Solve for x
    x = 56,961,133,479.13/358,682.99
  6. Step 6: Final answer
    x = 158,806.34

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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.