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Finding the Fourth Proportional to 176,473.10, 243,520.09 and 99,993.71

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Solution

The fourth proportional to 176,473.10, 243,520.09 and 99,993.71 is: 137,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,473.10 : 243,520.09 = 99,993.71 : x
  2. Step 2: Convert to fraction form
    176,473.10/243,520.09 = 99,993.71/x
  3. Step 3: Cross multiply
    176,473.10x = 243,520.09 × 99,993.71
  4. Step 4: Simplify right side
    176,473.10x = 24,350,477,617.45
  5. Step 5: Solve for x
    x = 24,350,477,617.45/176,473.10
  6. Step 6: Final answer
    x = 137,984.07

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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.