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Finding the Fourth Proportional to 233,999.70, 350,999.55 and 115,689.30

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Solution

The fourth proportional to 233,999.70, 350,999.55 and 115,689.30 is: 173,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,999.70 : 350,999.55 = 115,689.30 : x
  2. Step 2: Convert to fraction form
    233,999.70/350,999.55 = 115,689.30/x
  3. Step 3: Cross multiply
    233,999.70x = 350,999.55 × 115,689.30
  4. Step 4: Simplify right side
    233,999.70x = 40,606,892,239.82
  5. Step 5: Solve for x
    x = 40,606,892,239.82/233,999.70
  6. Step 6: Final answer
    x = 173,533.95

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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.