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Finding the Fourth Proportional to 152,966.88, 229,490.82 and 53,126.82

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Solution

The fourth proportional to 152,966.88, 229,490.82 and 53,126.82 is: 79,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,966.88 : 229,490.82 = 53,126.82 : x
  2. Step 2: Convert to fraction form
    152,966.88/229,490.82 = 53,126.82/x
  3. Step 3: Cross multiply
    152,966.88x = 229,490.82 × 53,126.82
  4. Step 4: Simplify right side
    152,966.88x = 12,192,117,485.79
  5. Step 5: Solve for x
    x = 12,192,117,485.79/152,966.88
  6. Step 6: Final answer
    x = 79,704.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.