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Finding the Fourth Proportional to 252,365.63, 348,271.85 and 139,195.67

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Solution

The fourth proportional to 252,365.63, 348,271.85 and 139,195.67 is: 192,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,365.63 : 348,271.85 = 139,195.67 : x
  2. Step 2: Convert to fraction form
    252,365.63/348,271.85 = 139,195.67/x
  3. Step 3: Cross multiply
    252,365.63x = 348,271.85 × 139,195.67
  4. Step 4: Simplify right side
    252,365.63x = 48,477,932,109.52
  5. Step 5: Solve for x
    x = 48,477,932,109.52/252,365.63
  6. Step 6: Final answer
    x = 192,094.04

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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.