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Finding the Fourth Proportional to 93,369.42, 128,852.93 and 50,930.30

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Solution

The fourth proportional to 93,369.42, 128,852.93 and 50,930.30 is: 70,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,369.42 : 128,852.93 = 50,930.30 : x
  2. Step 2: Convert to fraction form
    93,369.42/128,852.93 = 50,930.30/x
  3. Step 3: Cross multiply
    93,369.42x = 128,852.93 × 50,930.30
  4. Step 4: Simplify right side
    93,369.42x = 6,562,518,380.78
  5. Step 5: Solve for x
    x = 6,562,518,380.78/93,369.42
  6. Step 6: Final answer
    x = 70,285.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.