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Finding the Fourth Proportional to 104,296.34, 143,920.05 and 58,972.10

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Solution

The fourth proportional to 104,296.34, 143,920.05 and 58,972.10 is: 81,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,296.34 : 143,920.05 = 58,972.10 : x
  2. Step 2: Convert to fraction form
    104,296.34/143,920.05 = 58,972.10/x
  3. Step 3: Cross multiply
    104,296.34x = 143,920.05 × 58,972.10
  4. Step 4: Simplify right side
    104,296.34x = 8,487,267,580.61
  5. Step 5: Solve for x
    x = 8,487,267,580.61/104,296.34
  6. Step 6: Final answer
    x = 81,376.47

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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.