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Finding the Fourth Proportional to 233,339.99, 349,993.06 and 91,158.57

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Solution

The fourth proportional to 233,339.99, 349,993.06 and 91,158.57 is: 136,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,339.99 : 349,993.06 = 91,158.57 : x
  2. Step 2: Convert to fraction form
    233,339.99/349,993.06 = 91,158.57/x
  3. Step 3: Cross multiply
    233,339.99x = 349,993.06 × 91,158.57
  4. Step 4: Simplify right side
    233,339.99x = 31,904,866,631.63
  5. Step 5: Solve for x
    x = 31,904,866,631.63/233,339.99
  6. Step 6: Final answer
    x = 136,731.24

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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.