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Finding the Fourth Proportional to 93,334.98, 128,803.59 and 50,894.22

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Solution

The fourth proportional to 93,334.98, 128,803.59 and 50,894.22 is: 70,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,334.98 : 128,803.59 = 50,894.22 : x
  2. Step 2: Convert to fraction form
    93,334.98/128,803.59 = 50,894.22/x
  3. Step 3: Cross multiply
    93,334.98x = 128,803.59 × 50,894.22
  4. Step 4: Simplify right side
    93,334.98x = 6,555,358,246.25
  5. Step 5: Solve for x
    x = 6,555,358,246.25/93,334.98
  6. Step 6: Final answer
    x = 70,234.74

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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.