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Finding the Fourth Proportional to 115,803.03, 158,348.93 and 115,803.03

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Solution

The fourth proportional to 115,803.03, 158,348.93 and 115,803.03 is: 158,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,803.03 : 158,348.93 = 115,803.03 : x
  2. Step 2: Convert to fraction form
    115,803.03/158,348.93 = 115,803.03/x
  3. Step 3: Cross multiply
    115,803.03x = 158,348.93 × 115,803.03
  4. Step 4: Simplify right side
    115,803.03x = 18,337,286,180.77
  5. Step 5: Solve for x
    x = 18,337,286,180.77/115,803.03
  6. Step 6: Final answer
    x = 158,348.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.