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Finding the Fourth Proportional to 145,554, 218,331 and 58,063.44

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Solution

The fourth proportional to 145,554, 218,331 and 58,063.44 is: 87,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,554 : 218,331 = 58,063.44 : x
  2. Step 2: Convert to fraction form
    145,554/218,331 = 58,063.44/x
  3. Step 3: Cross multiply
    145,554x = 218,331 × 58,063.44
  4. Step 4: Simplify right side
    145,554x = 12,677,048,918.64
  5. Step 5: Solve for x
    x = 12,677,048,918.64/145,554
  6. Step 6: Final answer
    x = 87,095.16

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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.