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Finding the Fourth Proportional to 86,095.58, 118,811.79 and 47,853.92

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Solution

The fourth proportional to 86,095.58, 118,811.79 and 47,853.92 is: 66,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,095.58 : 118,811.79 = 47,853.92 : x
  2. Step 2: Convert to fraction form
    86,095.58/118,811.79 = 47,853.92/x
  3. Step 3: Cross multiply
    86,095.58x = 118,811.79 × 47,853.92
  4. Step 4: Simplify right side
    86,095.58x = 5,685,609,299.66
  5. Step 5: Solve for x
    x = 5,685,609,299.66/86,095.58
  6. Step 6: Final answer
    x = 66,038.35

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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.