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Finding the Fourth Proportional to 93,153.50, 139,744.84 and 30,838.58

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Solution

The fourth proportional to 93,153.50, 139,744.84 and 30,838.58 is: 46,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.50 : 139,744.84 = 30,838.58 : x
  2. Step 2: Convert to fraction form
    93,153.50/139,744.84 = 30,838.58/x
  3. Step 3: Cross multiply
    93,153.50x = 139,744.84 × 30,838.58
  4. Step 4: Simplify right side
    93,153.50x = 4,309,532,427.93
  5. Step 5: Solve for x
    x = 4,309,532,427.93/93,153.50
  6. Step 6: Final answer
    x = 46,262.70

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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.