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Finding the Fourth Proportional to 112,895.34, 169,420.78 and 39,023.34

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Solution

The fourth proportional to 112,895.34, 169,420.78 and 39,023.34 is: 58,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,895.34 : 169,420.78 = 39,023.34 : x
  2. Step 2: Convert to fraction form
    112,895.34/169,420.78 = 39,023.34/x
  3. Step 3: Cross multiply
    112,895.34x = 169,420.78 × 39,023.34
  4. Step 4: Simplify right side
    112,895.34x = 6,611,364,701.01
  5. Step 5: Solve for x
    x = 6,611,364,701.01/112,895.34
  6. Step 6: Final answer
    x = 58,561.89

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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.