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Finding the Fourth Proportional to 88,203.94, 121,723.77 and 50,490.34

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Solution

The fourth proportional to 88,203.94, 121,723.77 and 50,490.34 is: 69,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,203.94 : 121,723.77 = 50,490.34 : x
  2. Step 2: Convert to fraction form
    88,203.94/121,723.77 = 50,490.34/x
  3. Step 3: Cross multiply
    88,203.94x = 121,723.77 × 50,490.34
  4. Step 4: Simplify right side
    88,203.94x = 6,145,874,533.38
  5. Step 5: Solve for x
    x = 6,145,874,533.38/88,203.94
  6. Step 6: Final answer
    x = 69,678.00

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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.