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Finding the Fourth Proportional to 183,390.32, 273,843.81 and 145,525.32

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Solution

The fourth proportional to 183,390.32, 273,843.81 and 145,525.32 is: 217,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,390.32 : 273,843.81 = 145,525.32 : x
  2. Step 2: Convert to fraction form
    183,390.32/273,843.81 = 145,525.32/x
  3. Step 3: Cross multiply
    183,390.32x = 273,843.81 × 145,525.32
  4. Step 4: Simplify right side
    183,390.32x = 39,851,208,080.27
  5. Step 5: Solve for x
    x = 39,851,208,080.27/183,390.32
  6. Step 6: Final answer
    x = 217,302.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.