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Finding the Fourth Proportional to 114,075.74, 171,142.77 and 47,493.74

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Solution

The fourth proportional to 114,075.74, 171,142.77 and 47,493.74 is: 71,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,075.74 : 171,142.77 = 47,493.74 : x
  2. Step 2: Convert to fraction form
    114,075.74/171,142.77 = 47,493.74/x
  3. Step 3: Cross multiply
    114,075.74x = 171,142.77 × 47,493.74
  4. Step 4: Simplify right side
    114,075.74x = 8,128,209,365.55
  5. Step 5: Solve for x
    x = 8,128,209,365.55/114,075.74
  6. Step 6: Final answer
    x = 71,252.75

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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.