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Finding the Fourth Proportional to 104,551.64, 144,281.42 and 56,804.97

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Solution

The fourth proportional to 104,551.64, 144,281.42 and 56,804.97 is: 78,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,551.64 : 144,281.42 = 56,804.97 : x
  2. Step 2: Convert to fraction form
    104,551.64/144,281.42 = 56,804.97/x
  3. Step 3: Cross multiply
    104,551.64x = 144,281.42 × 56,804.97
  4. Step 4: Simplify right side
    104,551.64x = 8,195,901,734.66
  5. Step 5: Solve for x
    x = 8,195,901,734.66/104,551.64
  6. Step 6: Final answer
    x = 78,390.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.