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Finding the Fourth Proportional to 144,577.55, 216,928.35 and 55,893.34

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Solution

The fourth proportional to 144,577.55, 216,928.35 and 55,893.34 is: 83,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,577.55 : 216,928.35 = 55,893.34 : x
  2. Step 2: Convert to fraction form
    144,577.55/216,928.35 = 55,893.34/x
  3. Step 3: Cross multiply
    144,577.55x = 216,928.35 × 55,893.34
  4. Step 4: Simplify right side
    144,577.55x = 12,124,850,022.19
  5. Step 5: Solve for x
    x = 12,124,850,022.19/144,577.55
  6. Step 6: Final answer
    x = 83,863.99

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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.