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Finding the Fourth Proportional to 130,751.99, 196,233.08 and 67,590.69

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Solution

The fourth proportional to 130,751.99, 196,233.08 and 67,590.69 is: 101,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,751.99 : 196,233.08 = 67,590.69 : x
  2. Step 2: Convert to fraction form
    130,751.99/196,233.08 = 67,590.69/x
  3. Step 3: Cross multiply
    130,751.99x = 196,233.08 × 67,590.69
  4. Step 4: Simplify right side
    130,751.99x = 13,263,528,940.07
  5. Step 5: Solve for x
    x = 13,263,528,940.07/130,751.99
  6. Step 6: Final answer
    x = 101,440.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.