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Finding the Fourth Proportional to 157,347.72, 236,120 and 63,853.47

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Solution

The fourth proportional to 157,347.72, 236,120 and 63,853.47 is: 95,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,347.72 : 236,120 = 63,853.47 : x
  2. Step 2: Convert to fraction form
    157,347.72/236,120 = 63,853.47/x
  3. Step 3: Cross multiply
    157,347.72x = 236,120 × 63,853.47
  4. Step 4: Simplify right side
    157,347.72x = 15,077,081,336.40
  5. Step 5: Solve for x
    x = 15,077,081,336.40/157,347.72
  6. Step 6: Final answer
    x = 95,820.14

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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.