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Finding the Fourth Proportional to 94,041, 129,776.58 and 56,337.12

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Solution

The fourth proportional to 94,041, 129,776.58 and 56,337.12 is: 77,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,041 : 129,776.58 = 56,337.12 : x
  2. Step 2: Convert to fraction form
    94,041/129,776.58 = 56,337.12/x
  3. Step 3: Cross multiply
    94,041x = 129,776.58 × 56,337.12
  4. Step 4: Simplify right side
    94,041x = 7,311,238,760.65
  5. Step 5: Solve for x
    x = 7,311,238,760.65/94,041
  6. Step 6: Final answer
    x = 77,745.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.