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Finding the Fourth Proportional to 77,833.32, 107,416.60 and 43,848.48

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Solution

The fourth proportional to 77,833.32, 107,416.60 and 43,848.48 is: 60,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,833.32 : 107,416.60 = 43,848.48 : x
  2. Step 2: Convert to fraction form
    77,833.32/107,416.60 = 43,848.48/x
  3. Step 3: Cross multiply
    77,833.32x = 107,416.60 × 43,848.48
  4. Step 4: Simplify right side
    77,833.32x = 4,710,054,636.77
  5. Step 5: Solve for x
    x = 4,710,054,636.77/77,833.32
  6. Step 6: Final answer
    x = 60,514.63

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1.5x scale

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.