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Finding the Fourth Proportional to 229,074.40, 343,870.80 and 135,632.80

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Solution

The fourth proportional to 229,074.40, 343,870.80 and 135,632.80 is: 203,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,074.40 : 343,870.80 = 135,632.80 : x
  2. Step 2: Convert to fraction form
    229,074.40/343,870.80 = 135,632.80/x
  3. Step 3: Cross multiply
    229,074.40x = 343,870.80 × 135,632.80
  4. Step 4: Simplify right side
    229,074.40x = 46,640,159,442.24
  5. Step 5: Solve for x
    x = 46,640,159,442.24/229,074.40
  6. Step 6: Final answer
    x = 203,602.67

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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.