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Finding the Fourth Proportional to 173,313.30, 259,969.95 and 156,983.70

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Solution

The fourth proportional to 173,313.30, 259,969.95 and 156,983.70 is: 235,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,313.30 : 259,969.95 = 156,983.70 : x
  2. Step 2: Convert to fraction form
    173,313.30/259,969.95 = 156,983.70/x
  3. Step 3: Cross multiply
    173,313.30x = 259,969.95 × 156,983.70
  4. Step 4: Simplify right side
    173,313.30x = 40,811,044,639.82
  5. Step 5: Solve for x
    x = 40,811,044,639.82/173,313.30
  6. Step 6: Final answer
    x = 235,475.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.