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Finding the Fourth Proportional to 104,071.50, 143,618.67 and 59,359.50

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Solution

The fourth proportional to 104,071.50, 143,618.67 and 59,359.50 is: 81,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,071.50 : 143,618.67 = 59,359.50 : x
  2. Step 2: Convert to fraction form
    104,071.50/143,618.67 = 59,359.50/x
  3. Step 3: Cross multiply
    104,071.50x = 143,618.67 × 59,359.50
  4. Step 4: Simplify right side
    104,071.50x = 8,525,132,441.87
  5. Step 5: Solve for x
    x = 8,525,132,441.87/104,071.50
  6. Step 6: Final answer
    x = 81,916.11

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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.