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Finding the Fourth Proportional to 86,702.81, 130,054.22 and 24,373.31

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Solution

The fourth proportional to 86,702.81, 130,054.22 and 24,373.31 is: 36,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,702.81 : 130,054.22 = 24,373.31 : x
  2. Step 2: Convert to fraction form
    86,702.81/130,054.22 = 24,373.31/x
  3. Step 3: Cross multiply
    86,702.81x = 130,054.22 × 24,373.31
  4. Step 4: Simplify right side
    86,702.81x = 3,169,852,206.94
  5. Step 5: Solve for x
    x = 3,169,852,206.94/86,702.81
  6. Step 6: Final answer
    x = 36,559.97

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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.