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Finding the Fourth Proportional to 93,035.20, 139,552.80 and 29,855.20

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Solution

The fourth proportional to 93,035.20, 139,552.80 and 29,855.20 is: 44,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,035.20 : 139,552.80 = 29,855.20 : x
  2. Step 2: Convert to fraction form
    93,035.20/139,552.80 = 29,855.20/x
  3. Step 3: Cross multiply
    93,035.20x = 139,552.80 × 29,855.20
  4. Step 4: Simplify right side
    93,035.20x = 4,166,376,754.56
  5. Step 5: Solve for x
    x = 4,166,376,754.56/93,035.20
  6. Step 6: Final answer
    x = 44,782.80

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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.