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Finding the Fourth Proportional to 174,633.60, 262,641.60 and 156,662.40

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Solution

The fourth proportional to 174,633.60, 262,641.60 and 156,662.40 is: 235,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,633.60 : 262,641.60 = 156,662.40 : x
  2. Step 2: Convert to fraction form
    174,633.60/262,641.60 = 156,662.40/x
  3. Step 3: Cross multiply
    174,633.60x = 262,641.60 × 156,662.40
  4. Step 4: Simplify right side
    174,633.60x = 41,146,063,395.84
  5. Step 5: Solve for x
    x = 41,146,063,395.84/174,633.60
  6. Step 6: Final answer
    x = 235,613.67

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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.