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Finding the Fourth Proportional to 291,751.04, 437,626.62 and 92,086.98

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Solution

The fourth proportional to 291,751.04, 437,626.62 and 92,086.98 is: 138,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,751.04 : 437,626.62 = 92,086.98 : x
  2. Step 2: Convert to fraction form
    291,751.04/437,626.62 = 92,086.98/x
  3. Step 3: Cross multiply
    291,751.04x = 437,626.62 × 92,086.98
  4. Step 4: Simplify right side
    291,751.04x = 40,299,713,803.41
  5. Step 5: Solve for x
    x = 40,299,713,803.41/291,751.04
  6. Step 6: Final answer
    x = 138,130.49

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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.