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Finding the Fourth Proportional to 358,162.77, 537,128.32 and 118,222.77

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Solution

The fourth proportional to 358,162.77, 537,128.32 and 118,222.77 is: 177,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,162.77 : 537,128.32 = 118,222.77 : x
  2. Step 2: Convert to fraction form
    358,162.77/537,128.32 = 118,222.77/x
  3. Step 3: Cross multiply
    358,162.77x = 537,128.32 × 118,222.77
  4. Step 4: Simplify right side
    358,162.77x = 63,500,796,493.03
  5. Step 5: Solve for x
    x = 63,500,796,493.03/358,162.77
  6. Step 6: Final answer
    x = 177,295.92

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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.