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Finding the Fourth Proportional to 61,201.98, 91,264.32 and 56,354.94

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Solution

The fourth proportional to 61,201.98, 91,264.32 and 56,354.94 is: 84,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,201.98 : 91,264.32 = 56,354.94 : x
  2. Step 2: Convert to fraction form
    61,201.98/91,264.32 = 56,354.94/x
  3. Step 3: Cross multiply
    61,201.98x = 91,264.32 × 56,354.94
  4. Step 4: Simplify right side
    61,201.98x = 5,143,195,277.74
  5. Step 5: Solve for x
    x = 5,143,195,277.74/61,201.98
  6. Step 6: Final answer
    x = 84,036.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.