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Finding the Fourth Proportional to 230,366.48, 317,893.48 and 129,758.16

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Solution

The fourth proportional to 230,366.48, 317,893.48 and 129,758.16 is: 179,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,366.48 : 317,893.48 = 129,758.16 : x
  2. Step 2: Convert to fraction form
    230,366.48/317,893.48 = 129,758.16/x
  3. Step 3: Cross multiply
    230,366.48x = 317,893.48 × 129,758.16
  4. Step 4: Simplify right side
    230,366.48x = 41,249,273,040.80
  5. Step 5: Solve for x
    x = 41,249,273,040.80/230,366.48
  6. Step 6: Final answer
    x = 179,059.35

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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.