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Finding the Fourth Proportional to 103,673.70, 143,069.55 and 58,352.01

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Solution

The fourth proportional to 103,673.70, 143,069.55 and 58,352.01 is: 80,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.70 : 143,069.55 = 58,352.01 : x
  2. Step 2: Convert to fraction form
    103,673.70/143,069.55 = 58,352.01/x
  3. Step 3: Cross multiply
    103,673.70x = 143,069.55 × 58,352.01
  4. Step 4: Simplify right side
    103,673.70x = 8,348,395,812.30
  5. Step 5: Solve for x
    x = 8,348,395,812.30/103,673.70
  6. Step 6: Final answer
    x = 80,525.69

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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.