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Finding the Fourth Proportional to 152,456.60, 228,762.97 and 72,584.93

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Solution

The fourth proportional to 152,456.60, 228,762.97 and 72,584.93 is: 108,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,456.60 : 228,762.97 = 72,584.93 : x
  2. Step 2: Convert to fraction form
    152,456.60/228,762.97 = 72,584.93/x
  3. Step 3: Cross multiply
    152,456.60x = 228,762.97 × 72,584.93
  4. Step 4: Simplify right side
    152,456.60x = 16,604,744,554.49
  5. Step 5: Solve for x
    x = 16,604,744,554.49/152,456.60
  6. Step 6: Final answer
    x = 108,914.57

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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.