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Finding the Fourth Proportional to 152,704, 210,754.56 and 93,122.56

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Solution

The fourth proportional to 152,704, 210,754.56 and 93,122.56 is: 128,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,704 : 210,754.56 = 93,122.56 : x
  2. Step 2: Convert to fraction form
    152,704/210,754.56 = 93,122.56/x
  3. Step 3: Cross multiply
    152,704x = 210,754.56 × 93,122.56
  4. Step 4: Simplify right side
    152,704x = 19,626,004,158.87
  5. Step 5: Solve for x
    x = 19,626,004,158.87/152,704
  6. Step 6: Final answer
    x = 128,523.18

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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.