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Finding the Fourth Proportional to 130,357.34, 179,911.34 and 94,175.83

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Solution

The fourth proportional to 130,357.34, 179,911.34 and 94,175.83 is: 129,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,357.34 : 179,911.34 = 94,175.83 : x
  2. Step 2: Convert to fraction form
    130,357.34/179,911.34 = 94,175.83/x
  3. Step 3: Cross multiply
    130,357.34x = 179,911.34 × 94,175.83
  4. Step 4: Simplify right side
    130,357.34x = 16,943,299,878.08
  5. Step 5: Solve for x
    x = 16,943,299,878.08/130,357.34
  6. Step 6: Final answer
    x = 129,975.80

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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.