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Finding the Fourth Proportional to 358,618.86, 537,802.74 and 105,832.26

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Solution

The fourth proportional to 358,618.86, 537,802.74 and 105,832.26 is: 158,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,618.86 : 537,802.74 = 105,832.26 : x
  2. Step 2: Convert to fraction form
    358,618.86/537,802.74 = 105,832.26/x
  3. Step 3: Cross multiply
    358,618.86x = 537,802.74 × 105,832.26
  4. Step 4: Simplify right side
    358,618.86x = 56,916,879,408.39
  5. Step 5: Solve for x
    x = 56,916,879,408.39/358,618.86
  6. Step 6: Final answer
    x = 158,711.34

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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.