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Finding the Fourth Proportional to 114,099.04, 171,149.04 and 74,904.16

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Solution

The fourth proportional to 114,099.04, 171,149.04 and 74,904.16 is: 112,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,099.04 : 171,149.04 = 74,904.16 : x
  2. Step 2: Convert to fraction form
    114,099.04/171,149.04 = 74,904.16/x
  3. Step 3: Cross multiply
    114,099.04x = 171,149.04 × 74,904.16
  4. Step 4: Simplify right side
    114,099.04x = 12,819,775,076.01
  5. Step 5: Solve for x
    x = 12,819,775,076.01/114,099.04
  6. Step 6: Final answer
    x = 112,356.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.