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Finding the Fourth Proportional to 104,690.60, 144,472.74 and 58,750.28

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Solution

The fourth proportional to 104,690.60, 144,472.74 and 58,750.28 is: 81,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,690.60 : 144,472.74 = 58,750.28 : x
  2. Step 2: Convert to fraction form
    104,690.60/144,472.74 = 58,750.28/x
  3. Step 3: Cross multiply
    104,690.60x = 144,472.74 × 58,750.28
  4. Step 4: Simplify right side
    104,690.60x = 8,487,813,927.37
  5. Step 5: Solve for x
    x = 8,487,813,927.37/104,690.60
  6. Step 6: Final answer
    x = 81,075.22

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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.