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Finding the Fourth Proportional to 96,504, 144,706.60 and 40,328.76

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Solution

The fourth proportional to 96,504, 144,706.60 and 40,328.76 is: 60,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,504 : 144,706.60 = 40,328.76 : x
  2. Step 2: Convert to fraction form
    96,504/144,706.60 = 40,328.76/x
  3. Step 3: Cross multiply
    96,504x = 144,706.60 × 40,328.76
  4. Step 4: Simplify right side
    96,504x = 5,835,837,741.82
  5. Step 5: Solve for x
    x = 5,835,837,741.82/96,504
  6. Step 6: Final answer
    x = 60,472.50

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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.