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Finding the Fourth Proportional to 59,266.40, 81,646.80 and 41,328.80

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Solution

The fourth proportional to 59,266.40, 81,646.80 and 41,328.80 is: 56,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,266.40 : 81,646.80 = 41,328.80 : x
  2. Step 2: Convert to fraction form
    59,266.40/81,646.80 = 41,328.80/x
  3. Step 3: Cross multiply
    59,266.40x = 81,646.80 × 41,328.80
  4. Step 4: Simplify right side
    59,266.40x = 3,374,364,267.84
  5. Step 5: Solve for x
    x = 3,374,364,267.84/59,266.40
  6. Step 6: Final answer
    x = 56,935.54

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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.