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Finding the Fourth Proportional to 152,570.88, 210,552.80 and 84,594.18

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Solution

The fourth proportional to 152,570.88, 210,552.80 and 84,594.18 is: 116,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,570.88 : 210,552.80 = 84,594.18 : x
  2. Step 2: Convert to fraction form
    152,570.88/210,552.80 = 84,594.18/x
  3. Step 3: Cross multiply
    152,570.88x = 210,552.80 × 84,594.18
  4. Step 4: Simplify right side
    152,570.88x = 17,811,541,462.70
  5. Step 5: Solve for x
    x = 17,811,541,462.70/152,570.88
  6. Step 6: Final answer
    x = 116,742.73

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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.