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Finding the Fourth Proportional to 152,588.64, 210,579.04 and 84,601.28

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Solution

The fourth proportional to 152,588.64, 210,579.04 and 84,601.28 is: 116,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,588.64 : 210,579.04 = 84,601.28 : x
  2. Step 2: Convert to fraction form
    152,588.64/210,579.04 = 84,601.28/x
  3. Step 3: Cross multiply
    152,588.64x = 210,579.04 × 84,601.28
  4. Step 4: Simplify right side
    152,588.64x = 17,815,256,325.17
  5. Step 5: Solve for x
    x = 17,815,256,325.17/152,588.64
  6. Step 6: Final answer
    x = 116,753.49

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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.