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Finding the Fourth Proportional to 93,278.70, 139,876.77 and 26,703.66

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Solution

The fourth proportional to 93,278.70, 139,876.77 and 26,703.66 is: 40,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.70 : 139,876.77 = 26,703.66 : x
  2. Step 2: Convert to fraction form
    93,278.70/139,876.77 = 26,703.66/x
  3. Step 3: Cross multiply
    93,278.70x = 139,876.77 × 26,703.66
  4. Step 4: Simplify right side
    93,278.70x = 3,735,221,707.98
  5. Step 5: Solve for x
    x = 3,735,221,707.98/93,278.70
  6. Step 6: Final answer
    x = 40,043.67

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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.