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Finding the Fourth Proportional to 123,220.80, 184,851.12 and 48,300.30

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Solution

The fourth proportional to 123,220.80, 184,851.12 and 48,300.30 is: 72,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,220.80 : 184,851.12 = 48,300.30 : x
  2. Step 2: Convert to fraction form
    123,220.80/184,851.12 = 48,300.30/x
  3. Step 3: Cross multiply
    123,220.80x = 184,851.12 × 48,300.30
  4. Step 4: Simplify right side
    123,220.80x = 8,928,364,551.34
  5. Step 5: Solve for x
    x = 8,928,364,551.34/123,220.80
  6. Step 6: Final answer
    x = 72,458.26

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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.