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Finding the Fourth Proportional to 86,853.52, 119,848.26 and 51,054.76

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Solution

The fourth proportional to 86,853.52, 119,848.26 and 51,054.76 is: 70,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,853.52 : 119,848.26 = 51,054.76 : x
  2. Step 2: Convert to fraction form
    86,853.52/119,848.26 = 51,054.76/x
  3. Step 3: Cross multiply
    86,853.52x = 119,848.26 × 51,054.76
  4. Step 4: Simplify right side
    86,853.52x = 6,118,824,150.72
  5. Step 5: Solve for x
    x = 6,118,824,150.72/86,853.52
  6. Step 6: Final answer
    x = 70,449.93

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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.