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Finding the Fourth Proportional to 144,603.40, 216,921.30 and 44,762.80

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Solution

The fourth proportional to 144,603.40, 216,921.30 and 44,762.80 is: 67,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,603.40 : 216,921.30 = 44,762.80 : x
  2. Step 2: Convert to fraction form
    144,603.40/216,921.30 = 44,762.80/x
  3. Step 3: Cross multiply
    144,603.40x = 216,921.30 × 44,762.80
  4. Step 4: Simplify right side
    144,603.40x = 9,710,004,767.64
  5. Step 5: Solve for x
    x = 9,710,004,767.64/144,603.40
  6. Step 6: Final answer
    x = 67,149.21

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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.