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Finding the Fourth Proportional to 152,599.77, 210,586.61 and 84,616.71

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Solution

The fourth proportional to 152,599.77, 210,586.61 and 84,616.71 is: 116,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,599.77 : 210,586.61 = 84,616.71 : x
  2. Step 2: Convert to fraction form
    152,599.77/210,586.61 = 84,616.71/x
  3. Step 3: Cross multiply
    152,599.77x = 210,586.61 × 84,616.71
  4. Step 4: Simplify right side
    152,599.77x = 17,819,145,685.17
  5. Step 5: Solve for x
    x = 17,819,145,685.17/152,599.77
  6. Step 6: Final answer
    x = 116,770.46

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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.