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Finding the Fourth Proportional to 153,255.44, 211,460.81 and 89,580.93

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Solution

The fourth proportional to 153,255.44, 211,460.81 and 89,580.93 is: 123,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,255.44 : 211,460.81 = 89,580.93 : x
  2. Step 2: Convert to fraction form
    153,255.44/211,460.81 = 89,580.93/x
  3. Step 3: Cross multiply
    153,255.44x = 211,460.81 × 89,580.93
  4. Step 4: Simplify right side
    153,255.44x = 18,942,856,018.35
  5. Step 5: Solve for x
    x = 18,942,856,018.35/153,255.44
  6. Step 6: Final answer
    x = 123,603.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.