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Finding the Fourth Proportional to 123,220.69, 184,831.08 and 52,124.89

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Solution

The fourth proportional to 123,220.69, 184,831.08 and 52,124.89 is: 78,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,220.69 : 184,831.08 = 52,124.89 : x
  2. Step 2: Convert to fraction form
    123,220.69/184,831.08 = 52,124.89/x
  3. Step 3: Cross multiply
    123,220.69x = 184,831.08 × 52,124.89
  4. Step 4: Simplify right side
    123,220.69x = 9,634,299,713.58
  5. Step 5: Solve for x
    x = 9,634,299,713.58/123,220.69
  6. Step 6: Final answer
    x = 78,187.35

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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.