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Finding the Fourth Proportional to 80,193, 110,666.34 and 46,681.32

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Solution

The fourth proportional to 80,193, 110,666.34 and 46,681.32 is: 64,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,193 : 110,666.34 = 46,681.32 : x
  2. Step 2: Convert to fraction form
    80,193/110,666.34 = 46,681.32/x
  3. Step 3: Cross multiply
    80,193x = 110,666.34 × 46,681.32
  4. Step 4: Simplify right side
    80,193x = 5,166,050,830.77
  5. Step 5: Solve for x
    x = 5,166,050,830.77/80,193
  6. Step 6: Final answer
    x = 64,420.22

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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.