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Finding the Fourth Proportional to 230,846.70, 346,075.65 and 120,038.70

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Solution

The fourth proportional to 230,846.70, 346,075.65 and 120,038.70 is: 179,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,846.70 : 346,075.65 = 120,038.70 : x
  2. Step 2: Convert to fraction form
    230,846.70/346,075.65 = 120,038.70/x
  3. Step 3: Cross multiply
    230,846.70x = 346,075.65 × 120,038.70
  4. Step 4: Simplify right side
    230,846.70x = 41,542,471,127.66
  5. Step 5: Solve for x
    x = 41,542,471,127.66/230,846.70
  6. Step 6: Final answer
    x = 179,956.96

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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.