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Finding the Fourth Proportional to 184,528, 276,909.72 and 66,196.72

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Solution

The fourth proportional to 184,528, 276,909.72 and 66,196.72 is: 99,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,528 : 276,909.72 = 66,196.72 : x
  2. Step 2: Convert to fraction form
    184,528/276,909.72 = 66,196.72/x
  3. Step 3: Cross multiply
    184,528x = 276,909.72 × 66,196.72
  4. Step 4: Simplify right side
    184,528x = 18,330,515,200.12
  5. Step 5: Solve for x
    x = 18,330,515,200.12/184,528
  6. Step 6: Final answer
    x = 99,337.31

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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.