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Finding the Fourth Proportional to 152,599.68, 210,600.06 and 84,638.04

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Solution

The fourth proportional to 152,599.68, 210,600.06 and 84,638.04 is: 116,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,599.68 : 210,600.06 = 84,638.04 : x
  2. Step 2: Convert to fraction form
    152,599.68/210,600.06 = 84,638.04/x
  3. Step 3: Cross multiply
    152,599.68x = 210,600.06 × 84,638.04
  4. Step 4: Simplify right side
    152,599.68x = 17,824,776,302.28
  5. Step 5: Solve for x
    x = 17,824,776,302.28/152,599.68
  6. Step 6: Final answer
    x = 116,807.43

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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.