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Finding the Fourth Proportional to 93,374.82, 128,855.07 and 50,933.70

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Solution

The fourth proportional to 93,374.82, 128,855.07 and 50,933.70 is: 70,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,374.82 : 128,855.07 = 50,933.70 : x
  2. Step 2: Convert to fraction form
    93,374.82/128,855.07 = 50,933.70/x
  3. Step 3: Cross multiply
    93,374.82x = 128,855.07 × 50,933.70
  4. Step 4: Simplify right side
    93,374.82x = 6,563,065,478.86
  5. Step 5: Solve for x
    x = 6,563,065,478.86/93,374.82
  6. Step 6: Final answer
    x = 70,287.32

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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.