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Finding the Fourth Proportional to 92,901.08, 128,203.53 and 50,460.50

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Solution

The fourth proportional to 92,901.08, 128,203.53 and 50,460.50 is: 69,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,901.08 : 128,203.53 = 50,460.50 : x
  2. Step 2: Convert to fraction form
    92,901.08/128,203.53 = 50,460.50/x
  3. Step 3: Cross multiply
    92,901.08x = 128,203.53 × 50,460.50
  4. Step 4: Simplify right side
    92,901.08x = 6,469,214,225.57
  5. Step 5: Solve for x
    x = 6,469,214,225.57/92,901.08
  6. Step 6: Final answer
    x = 69,635.51

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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.