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Finding the Fourth Proportional to 83,068.88, 124,555.44 and 56,805.44

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Solution

The fourth proportional to 83,068.88, 124,555.44 and 56,805.44 is: 85,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,068.88 : 124,555.44 = 56,805.44 : x
  2. Step 2: Convert to fraction form
    83,068.88/124,555.44 = 56,805.44/x
  3. Step 3: Cross multiply
    83,068.88x = 124,555.44 × 56,805.44
  4. Step 4: Simplify right side
    83,068.88x = 7,075,426,573.59
  5. Step 5: Solve for x
    x = 7,075,426,573.59/83,068.88
  6. Step 6: Final answer
    x = 85,175.42

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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.