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Finding the Fourth Proportional to 183,047.48, 252,635.75 and 125,639.64

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Solution

The fourth proportional to 183,047.48, 252,635.75 and 125,639.64 is: 173,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,047.48 : 252,635.75 = 125,639.64 : x
  2. Step 2: Convert to fraction form
    183,047.48/252,635.75 = 125,639.64/x
  3. Step 3: Cross multiply
    183,047.48x = 252,635.75 × 125,639.64
  4. Step 4: Simplify right side
    183,047.48x = 31,741,065,312.72
  5. Step 5: Solve for x
    x = 31,741,065,312.72/183,047.48
  6. Step 6: Final answer
    x = 173,403.45

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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.