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Finding the Fourth Proportional to 93,200.85, 139,676.54 and 33,980.67

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Solution

The fourth proportional to 93,200.85, 139,676.54 and 33,980.67 is: 50,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.85 : 139,676.54 = 33,980.67 : x
  2. Step 2: Convert to fraction form
    93,200.85/139,676.54 = 33,980.67/x
  3. Step 3: Cross multiply
    93,200.85x = 139,676.54 × 33,980.67
  4. Step 4: Simplify right side
    93,200.85x = 4,746,302,242.58
  5. Step 5: Solve for x
    x = 4,746,302,242.58/93,200.85
  6. Step 6: Final answer
    x = 50,925.53

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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.