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Finding the Fourth Proportional to 123,297.95, 184,931.33 and 39,066.66

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Solution

The fourth proportional to 123,297.95, 184,931.33 and 39,066.66 is: 58,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,297.95 : 184,931.33 = 39,066.66 : x
  2. Step 2: Convert to fraction form
    123,297.95/184,931.33 = 39,066.66/x
  3. Step 3: Cross multiply
    123,297.95x = 184,931.33 × 39,066.66
  4. Step 4: Simplify right side
    123,297.95x = 7,224,649,197.12
  5. Step 5: Solve for x
    x = 7,224,649,197.12/123,297.95
  6. Step 6: Final answer
    x = 58,595.05

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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.