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Finding the Fourth Proportional to 104,551.84, 144,281.87 and 59,238.21

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Solution

The fourth proportional to 104,551.84, 144,281.87 and 59,238.21 is: 81,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,551.84 : 144,281.87 = 59,238.21 : x
  2. Step 2: Convert to fraction form
    104,551.84/144,281.87 = 59,238.21/x
  3. Step 3: Cross multiply
    104,551.84x = 144,281.87 × 59,238.21
  4. Step 4: Simplify right side
    104,551.84x = 8,546,999,714.25
  5. Step 5: Solve for x
    x = 8,546,999,714.25/104,551.84
  6. Step 6: Final answer
    x = 81,748.92

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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.