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Finding the Fourth Proportional to 77,199.52, 106,527.81 and 43,205.98

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Solution

The fourth proportional to 77,199.52, 106,527.81 and 43,205.98 is: 59,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.52 : 106,527.81 = 43,205.98 : x
  2. Step 2: Convert to fraction form
    77,199.52/106,527.81 = 43,205.98/x
  3. Step 3: Cross multiply
    77,199.52x = 106,527.81 × 43,205.98
  4. Step 4: Simplify right side
    77,199.52x = 4,602,638,428.30
  5. Step 5: Solve for x
    x = 4,602,638,428.30/77,199.52
  6. Step 6: Final answer
    x = 59,620.04

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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.