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Finding the Fourth Proportional to 152,468.40, 210,409.43 and 88,810.29

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Solution

The fourth proportional to 152,468.40, 210,409.43 and 88,810.29 is: 122,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,468.40 : 210,409.43 = 88,810.29 : x
  2. Step 2: Convert to fraction form
    152,468.40/210,409.43 = 88,810.29/x
  3. Step 3: Cross multiply
    152,468.40x = 210,409.43 × 88,810.29
  4. Step 4: Simplify right side
    152,468.40x = 18,686,522,052.98
  5. Step 5: Solve for x
    x = 18,686,522,052.98/152,468.40
  6. Step 6: Final answer
    x = 122,559.97

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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.