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Finding the Fourth Proportional to 152,881.08, 210,966.48 and 84,893.91

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Solution

The fourth proportional to 152,881.08, 210,966.48 and 84,893.91 is: 117,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,881.08 : 210,966.48 = 84,893.91 : x
  2. Step 2: Convert to fraction form
    152,881.08/210,966.48 = 84,893.91/x
  3. Step 3: Cross multiply
    152,881.08x = 210,966.48 × 84,893.91
  4. Step 4: Simplify right side
    152,881.08x = 17,909,769,366.14
  5. Step 5: Solve for x
    x = 17,909,769,366.14/152,881.08
  6. Step 6: Final answer
    x = 117,148.37

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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.