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Finding the Fourth Proportional to 123,278.58, 184,938.62 and 39,062.24

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Solution

The fourth proportional to 123,278.58, 184,938.62 and 39,062.24 is: 58,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,278.58 : 184,938.62 = 39,062.24 : x
  2. Step 2: Convert to fraction form
    123,278.58/184,938.62 = 39,062.24/x
  3. Step 3: Cross multiply
    123,278.58x = 184,938.62 × 39,062.24
  4. Step 4: Simplify right side
    123,278.58x = 7,224,116,759.71
  5. Step 5: Solve for x
    x = 7,224,116,759.71/123,278.58
  6. Step 6: Final answer
    x = 58,599.93

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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.