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Finding the Fourth Proportional to 106,192.92, 159,312.42 and 32,319

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Solution

The fourth proportional to 106,192.92, 159,312.42 and 32,319 is: 48,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,192.92 : 159,312.42 = 32,319 : x
  2. Step 2: Convert to fraction form
    106,192.92/159,312.42 = 32,319/x
  3. Step 3: Cross multiply
    106,192.92x = 159,312.42 × 32,319
  4. Step 4: Simplify right side
    106,192.92x = 5,148,818,101.98
  5. Step 5: Solve for x
    x = 5,148,818,101.98/106,192.92
  6. Step 6: Final answer
    x = 48,485.51

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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.