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Finding the Fourth Proportional to 115,999.30, 173,998.95 and 114,055.30

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Solution

The fourth proportional to 115,999.30, 173,998.95 and 114,055.30 is: 171,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.30 : 173,998.95 = 114,055.30 : x
  2. Step 2: Convert to fraction form
    115,999.30/173,998.95 = 114,055.30/x
  3. Step 3: Cross multiply
    115,999.30x = 173,998.95 × 114,055.30
  4. Step 4: Simplify right side
    115,999.30x = 19,845,502,441.94
  5. Step 5: Solve for x
    x = 19,845,502,441.94/115,999.30
  6. Step 6: Final answer
    x = 171,082.95

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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.