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Finding the Fourth Proportional to 152,605.03, 228,830.95 and 72,619.15

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Solution

The fourth proportional to 152,605.03, 228,830.95 and 72,619.15 is: 108,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,605.03 : 228,830.95 = 72,619.15 : x
  2. Step 2: Convert to fraction form
    152,605.03/228,830.95 = 72,619.15/x
  3. Step 3: Cross multiply
    152,605.03x = 228,830.95 × 72,619.15
  4. Step 4: Simplify right side
    152,605.03x = 16,617,509,082.69
  5. Step 5: Solve for x
    x = 16,617,509,082.69/152,605.03
  6. Step 6: Final answer
    x = 108,892.28

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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.