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Finding the Fourth Proportional to 93,670.70, 140,506.05 and 93,014.60

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Solution

The fourth proportional to 93,670.70, 140,506.05 and 93,014.60 is: 139,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.70 : 140,506.05 = 93,014.60 : x
  2. Step 2: Convert to fraction form
    93,670.70/140,506.05 = 93,014.60/x
  3. Step 3: Cross multiply
    93,670.70x = 140,506.05 × 93,014.60
  4. Step 4: Simplify right side
    93,670.70x = 13,069,114,038.33
  5. Step 5: Solve for x
    x = 13,069,114,038.33/93,670.70
  6. Step 6: Final answer
    x = 139,521.90

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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.