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Finding the Fourth Proportional to 157,953.16, 236,796.47 and 73,668.91

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Solution

The fourth proportional to 157,953.16, 236,796.47 and 73,668.91 is: 110,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,953.16 : 236,796.47 = 73,668.91 : x
  2. Step 2: Convert to fraction form
    157,953.16/236,796.47 = 73,668.91/x
  3. Step 3: Cross multiply
    157,953.16x = 236,796.47 × 73,668.91
  4. Step 4: Simplify right side
    157,953.16x = 17,444,537,468.40
  5. Step 5: Solve for x
    x = 17,444,537,468.40/157,953.16
  6. Step 6: Final answer
    x = 110,441.21

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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.