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Finding the Fourth Proportional to 58,290.98, 80,454.98 and 34,103.16

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Solution

The fourth proportional to 58,290.98, 80,454.98 and 34,103.16 is: 47,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,290.98 : 80,454.98 = 34,103.16 : x
  2. Step 2: Convert to fraction form
    58,290.98/80,454.98 = 34,103.16/x
  3. Step 3: Cross multiply
    58,290.98x = 80,454.98 × 34,103.16
  4. Step 4: Simplify right side
    58,290.98x = 2,743,769,055.74
  5. Step 5: Solve for x
    x = 2,743,769,055.74/58,290.98
  6. Step 6: Final answer
    x = 47,070.22

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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.