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Finding the Fourth Proportional to 208,323.95, 312,484.50 and 58,563.32

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Solution

The fourth proportional to 208,323.95, 312,484.50 and 58,563.32 is: 87,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,323.95 : 312,484.50 = 58,563.32 : x
  2. Step 2: Convert to fraction form
    208,323.95/312,484.50 = 58,563.32/x
  3. Step 3: Cross multiply
    208,323.95x = 312,484.50 × 58,563.32
  4. Step 4: Simplify right side
    208,323.95x = 18,300,128,206.12
  5. Step 5: Solve for x
    x = 18,300,128,206.12/208,323.95
  6. Step 6: Final answer
    x = 87,844.57

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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.