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Finding the Fourth Proportional to 93,048.75, 139,630.53 and 43,119.54

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Solution

The fourth proportional to 93,048.75, 139,630.53 and 43,119.54 is: 64,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,048.75 : 139,630.53 = 43,119.54 : x
  2. Step 2: Convert to fraction form
    93,048.75/139,630.53 = 43,119.54/x
  3. Step 3: Cross multiply
    93,048.75x = 139,630.53 × 43,119.54
  4. Step 4: Simplify right side
    93,048.75x = 6,020,803,417.60
  5. Step 5: Solve for x
    x = 6,020,803,417.60/93,048.75
  6. Step 6: Final answer
    x = 64,705.91

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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.