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Finding the Fourth Proportional to 163,165.81, 244,748.73 and 57,988.93

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Solution

The fourth proportional to 163,165.81, 244,748.73 and 57,988.93 is: 86,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,165.81 : 244,748.73 = 57,988.93 : x
  2. Step 2: Convert to fraction form
    163,165.81/244,748.73 = 57,988.93/x
  3. Step 3: Cross multiply
    163,165.81x = 244,748.73 × 57,988.93
  4. Step 4: Simplify right side
    163,165.81x = 14,192,716,971.56
  5. Step 5: Solve for x
    x = 14,192,716,971.56/163,165.81
  6. Step 6: Final answer
    x = 86,983.40

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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.