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Finding the Fourth Proportional to 53,266.48, 79,554.35 and 48,258.86

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Solution

The fourth proportional to 53,266.48, 79,554.35 and 48,258.86 is: 72,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,266.48 : 79,554.35 = 48,258.86 : x
  2. Step 2: Convert to fraction form
    53,266.48/79,554.35 = 48,258.86/x
  3. Step 3: Cross multiply
    53,266.48x = 79,554.35 × 48,258.86
  4. Step 4: Simplify right side
    53,266.48x = 3,839,201,961.92
  5. Step 5: Solve for x
    x = 3,839,201,961.92/53,266.48
  6. Step 6: Final answer
    x = 72,075.39

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