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Finding the Fourth Proportional to 93,263.79, 139,895.69 and 23,143.11

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Solution

The fourth proportional to 93,263.79, 139,895.69 and 23,143.11 is: 34,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,263.79 : 139,895.69 = 23,143.11 : x
  2. Step 2: Convert to fraction form
    93,263.79/139,895.69 = 23,143.11/x
  3. Step 3: Cross multiply
    93,263.79x = 139,895.69 × 23,143.11
  4. Step 4: Simplify right side
    93,263.79x = 3,237,621,342.20
  5. Step 5: Solve for x
    x = 3,237,621,342.20/93,263.79
  6. Step 6: Final answer
    x = 34,714.67

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Similar ratio
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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.