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Finding the Fourth Proportional to 134,501.89, 201,485.54 and 123,479.41

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Solution

The fourth proportional to 134,501.89, 201,485.54 and 123,479.41 is: 184,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,501.89 : 201,485.54 = 123,479.41 : x
  2. Step 2: Convert to fraction form
    134,501.89/201,485.54 = 123,479.41/x
  3. Step 3: Cross multiply
    134,501.89x = 201,485.54 × 123,479.41
  4. Step 4: Simplify right side
    134,501.89x = 24,879,315,602.73
  5. Step 5: Solve for x
    x = 24,879,315,602.73/134,501.89
  6. Step 6: Final answer
    x = 184,973.72

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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.