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Finding the Fourth Proportional to 176,480.94, 243,504.36 and 99,993.36

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Solution

The fourth proportional to 176,480.94, 243,504.36 and 99,993.36 is: 137,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,480.94 : 243,504.36 = 99,993.36 : x
  2. Step 2: Convert to fraction form
    176,480.94/243,504.36 = 99,993.36/x
  3. Step 3: Cross multiply
    176,480.94x = 243,504.36 × 99,993.36
  4. Step 4: Simplify right side
    176,480.94x = 24,348,819,131.05
  5. Step 5: Solve for x
    x = 24,348,819,131.05/176,480.94
  6. Step 6: Final answer
    x = 137,968.55

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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.