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Finding the Fourth Proportional to 184,988.60, 277,555.80 and 72,649.70

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Solution

The fourth proportional to 184,988.60, 277,555.80 and 72,649.70 is: 109,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,988.60 : 277,555.80 = 72,649.70 : x
  2. Step 2: Convert to fraction form
    184,988.60/277,555.80 = 72,649.70/x
  3. Step 3: Cross multiply
    184,988.60x = 277,555.80 × 72,649.70
  4. Step 4: Simplify right side
    184,988.60x = 20,164,345,603.26
  5. Step 5: Solve for x
    x = 20,164,345,603.26/184,988.60
  6. Step 6: Final answer
    x = 109,003.18

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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.