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Finding the Fourth Proportional to 117,692.40, 176,482.98 and 42,760.29

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Solution

The fourth proportional to 117,692.40, 176,482.98 and 42,760.29 is: 64,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,692.40 : 176,482.98 = 42,760.29 : x
  2. Step 2: Convert to fraction form
    117,692.40/176,482.98 = 42,760.29/x
  3. Step 3: Cross multiply
    117,692.40x = 176,482.98 × 42,760.29
  4. Step 4: Simplify right side
    117,692.40x = 7,546,463,404.86
  5. Step 5: Solve for x
    x = 7,546,463,404.86/117,692.40
  6. Step 6: Final answer
    x = 64,120.23

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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.