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Finding the Fourth Proportional to 130,110.59, 179,602.16 and 84,799.59

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Solution

The fourth proportional to 130,110.59, 179,602.16 and 84,799.59 is: 117,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,110.59 : 179,602.16 = 84,799.59 : x
  2. Step 2: Convert to fraction form
    130,110.59/179,602.16 = 84,799.59/x
  3. Step 3: Cross multiply
    130,110.59x = 179,602.16 × 84,799.59
  4. Step 4: Simplify right side
    130,110.59x = 15,230,189,107.12
  5. Step 5: Solve for x
    x = 15,230,189,107.12/130,110.59
  6. Step 6: Final answer
    x = 117,055.73

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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.