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Finding the Fourth Proportional to 104,017.50, 143,563.59 and 59,305.50

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Solution

The fourth proportional to 104,017.50, 143,563.59 and 59,305.50 is: 81,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,017.50 : 143,563.59 = 59,305.50 : x
  2. Step 2: Convert to fraction form
    104,017.50/143,563.59 = 59,305.50/x
  3. Step 3: Cross multiply
    104,017.50x = 143,563.59 × 59,305.50
  4. Step 4: Simplify right side
    104,017.50x = 8,514,110,486.75
  5. Step 5: Solve for x
    x = 8,514,110,486.75/104,017.50
  6. Step 6: Final answer
    x = 81,852.67

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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.