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Finding the Fourth Proportional to 184,784.50, 255,002.61 and 99,901.56

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Solution

The fourth proportional to 184,784.50, 255,002.61 and 99,901.56 is: 137,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,784.50 : 255,002.61 = 99,901.56 : x
  2. Step 2: Convert to fraction form
    184,784.50/255,002.61 = 99,901.56/x
  3. Step 3: Cross multiply
    184,784.50x = 255,002.61 × 99,901.56
  4. Step 4: Simplify right side
    184,784.50x = 25,475,158,543.07
  5. Step 5: Solve for x
    x = 25,475,158,543.07/184,784.50
  6. Step 6: Final answer
    x = 137,864.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.