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Finding the Fourth Proportional to 86,707.79, 130,064.39 and 23,527.71

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Solution

The fourth proportional to 86,707.79, 130,064.39 and 23,527.71 is: 35,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.79 : 130,064.39 = 23,527.71 : x
  2. Step 2: Convert to fraction form
    86,707.79/130,064.39 = 23,527.71/x
  3. Step 3: Cross multiply
    86,707.79x = 130,064.39 × 23,527.71
  4. Step 4: Simplify right side
    86,707.79x = 3,060,117,131.61
  5. Step 5: Solve for x
    x = 3,060,117,131.61/86,707.79
  6. Step 6: Final answer
    x = 35,292.30

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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.