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Finding the Fourth Proportional to 184,566.78, 254,702.16 and 99,683.82

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Solution

The fourth proportional to 184,566.78, 254,702.16 and 99,683.82 is: 137,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,566.78 : 254,702.16 = 99,683.82 : x
  2. Step 2: Convert to fraction form
    184,566.78/254,702.16 = 99,683.82/x
  3. Step 3: Cross multiply
    184,566.78x = 254,702.16 × 99,683.82
  4. Step 4: Simplify right side
    184,566.78x = 25,389,684,271.05
  5. Step 5: Solve for x
    x = 25,389,684,271.05/184,566.78
  6. Step 6: Final answer
    x = 137,563.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.