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Finding the Fourth Proportional to 93,323.72, 139,985.58 and 34,133.78

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Solution

The fourth proportional to 93,323.72, 139,985.58 and 34,133.78 is: 51,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,323.72 : 139,985.58 = 34,133.78 : x
  2. Step 2: Convert to fraction form
    93,323.72/139,985.58 = 34,133.78/x
  3. Step 3: Cross multiply
    93,323.72x = 139,985.58 × 34,133.78
  4. Step 4: Simplify right side
    93,323.72x = 4,778,236,990.89
  5. Step 5: Solve for x
    x = 4,778,236,990.89/93,323.72
  6. Step 6: Final answer
    x = 51,200.67

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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.