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Finding the Fourth Proportional to 85,051.52, 127,590.24 and 43,484.48

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Solution

The fourth proportional to 85,051.52, 127,590.24 and 43,484.48 is: 65,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,051.52 : 127,590.24 = 43,484.48 : x
  2. Step 2: Convert to fraction form
    85,051.52/127,590.24 = 43,484.48/x
  3. Step 3: Cross multiply
    85,051.52x = 127,590.24 × 43,484.48
  4. Step 4: Simplify right side
    85,051.52x = 5,548,195,239.48
  5. Step 5: Solve for x
    x = 5,548,195,239.48/85,051.52
  6. Step 6: Final answer
    x = 65,233.35

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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.