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Finding the Fourth Proportional to 75,977.55, 113,802.30 and 62,855.55

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Solution

The fourth proportional to 75,977.55, 113,802.30 and 62,855.55 is: 94,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,977.55 : 113,802.30 = 62,855.55 : x
  2. Step 2: Convert to fraction form
    75,977.55/113,802.30 = 62,855.55/x
  3. Step 3: Cross multiply
    75,977.55x = 113,802.30 × 62,855.55
  4. Step 4: Simplify right side
    75,977.55x = 7,153,106,157.77
  5. Step 5: Solve for x
    x = 7,153,106,157.77/75,977.55
  6. Step 6: Final answer
    x = 94,147.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.