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Finding the Fourth Proportional to 230,673.36, 318,329.28 and 130,071.36

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Solution

The fourth proportional to 230,673.36, 318,329.28 and 130,071.36 is: 179,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,673.36 : 318,329.28 = 130,071.36 : x
  2. Step 2: Convert to fraction form
    230,673.36/318,329.28 = 130,071.36/x
  3. Step 3: Cross multiply
    230,673.36x = 318,329.28 × 130,071.36
  4. Step 4: Simplify right side
    230,673.36x = 41,405,522,377.42
  5. Step 5: Solve for x
    x = 41,405,522,377.42/230,673.36
  6. Step 6: Final answer
    x = 179,498.50

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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.