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Finding the Fourth Proportional to 153,757.51, 230,667.40 and 65,010.87

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Solution

The fourth proportional to 153,757.51, 230,667.40 and 65,010.87 is: 97,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,757.51 : 230,667.40 = 65,010.87 : x
  2. Step 2: Convert to fraction form
    153,757.51/230,667.40 = 65,010.87/x
  3. Step 3: Cross multiply
    153,757.51x = 230,667.40 × 65,010.87
  4. Step 4: Simplify right side
    153,757.51x = 14,995,889,300.90
  5. Step 5: Solve for x
    x = 14,995,889,300.90/153,757.51
  6. Step 6: Final answer
    x = 97,529.47

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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.