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Finding the Fourth Proportional to 115,230.10, 159,090.93 and 94,059.70

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Solution

The fourth proportional to 115,230.10, 159,090.93 and 94,059.70 is: 129,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,230.10 : 159,090.93 = 94,059.70 : x
  2. Step 2: Convert to fraction form
    115,230.10/159,090.93 = 94,059.70/x
  3. Step 3: Cross multiply
    115,230.10x = 159,090.93 × 94,059.70
  4. Step 4: Simplify right side
    115,230.10x = 14,964,045,148.52
  5. Step 5: Solve for x
    x = 14,964,045,148.52/115,230.10
  6. Step 6: Final answer
    x = 129,862.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.