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Finding the Fourth Proportional to 61,969.98, 93,292.16 and 56,458.74

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Solution

The fourth proportional to 61,969.98, 93,292.16 and 56,458.74 is: 84,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.98 : 93,292.16 = 56,458.74 : x
  2. Step 2: Convert to fraction form
    61,969.98/93,292.16 = 56,458.74/x
  3. Step 3: Cross multiply
    61,969.98x = 93,292.16 × 56,458.74
  4. Step 4: Simplify right side
    61,969.98x = 5,267,157,805.48
  5. Step 5: Solve for x
    x = 5,267,157,805.48/61,969.98
  6. Step 6: Final answer
    x = 84,995.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.