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Finding the Fourth Proportional to 93,543.64, 140,370.81 and 34,420.82

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Solution

The fourth proportional to 93,543.64, 140,370.81 and 34,420.82 is: 51,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,543.64 : 140,370.81 = 34,420.82 : x
  2. Step 2: Convert to fraction form
    93,543.64/140,370.81 = 34,420.82/x
  3. Step 3: Cross multiply
    93,543.64x = 140,370.81 × 34,420.82
  4. Step 4: Simplify right side
    93,543.64x = 4,831,678,384.26
  5. Step 5: Solve for x
    x = 4,831,678,384.26/93,543.64
  6. Step 6: Final answer
    x = 51,651.60

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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.