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Finding the Fourth Proportional to 93,376.77, 128,859.12 and 50,934.39

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Solution

The fourth proportional to 93,376.77, 128,859.12 and 50,934.39 is: 70,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,376.77 : 128,859.12 = 50,934.39 : x
  2. Step 2: Convert to fraction form
    93,376.77/128,859.12 = 50,934.39/x
  3. Step 3: Cross multiply
    93,376.77x = 128,859.12 × 50,934.39
  4. Step 4: Simplify right side
    93,376.77x = 6,563,360,673.14
  5. Step 5: Solve for x
    x = 6,563,360,673.14/93,376.77
  6. Step 6: Final answer
    x = 70,289.01

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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.