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Finding the Fourth Proportional to 93,035.70, 139,510.35 and 40,418.10

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Solution

The fourth proportional to 93,035.70, 139,510.35 and 40,418.10 is: 60,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,035.70 : 139,510.35 = 40,418.10 : x
  2. Step 2: Convert to fraction form
    93,035.70/139,510.35 = 40,418.10/x
  3. Step 3: Cross multiply
    93,035.70x = 139,510.35 × 40,418.10
  4. Step 4: Simplify right side
    93,035.70x = 5,638,743,277.34
  5. Step 5: Solve for x
    x = 5,638,743,277.34/93,035.70
  6. Step 6: Final answer
    x = 60,608.38

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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.