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Finding the Fourth Proportional to 152,509.86, 228,795.36 and 52,673.71

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Solution

The fourth proportional to 152,509.86, 228,795.36 and 52,673.71 is: 79,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,509.86 : 228,795.36 = 52,673.71 : x
  2. Step 2: Convert to fraction form
    152,509.86/228,795.36 = 52,673.71/x
  3. Step 3: Cross multiply
    152,509.86x = 228,795.36 × 52,673.71
  4. Step 4: Simplify right side
    152,509.86x = 12,051,500,441.99
  5. Step 5: Solve for x
    x = 12,051,500,441.99/152,509.86
  6. Step 6: Final answer
    x = 79,021.12

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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.