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Finding the Fourth Proportional to 104,029.52, 143,580.16 and 59,317.52

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Solution

The fourth proportional to 104,029.52, 143,580.16 and 59,317.52 is: 81,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,029.52 : 143,580.16 = 59,317.52 : x
  2. Step 2: Convert to fraction form
    104,029.52/143,580.16 = 59,317.52/x
  3. Step 3: Cross multiply
    104,029.52x = 143,580.16 × 59,317.52
  4. Step 4: Simplify right side
    104,029.52x = 8,516,819,012.40
  5. Step 5: Solve for x
    x = 8,516,819,012.40/104,029.52
  6. Step 6: Final answer
    x = 81,869.25

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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.