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Finding the Fourth Proportional to 112,054.92, 154,635.79 and 61,753.92

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Solution

The fourth proportional to 112,054.92, 154,635.79 and 61,753.92 is: 85,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,054.92 : 154,635.79 = 61,753.92 : x
  2. Step 2: Convert to fraction form
    112,054.92/154,635.79 = 61,753.92/x
  3. Step 3: Cross multiply
    112,054.92x = 154,635.79 × 61,753.92
  4. Step 4: Simplify right side
    112,054.92x = 9,549,366,050.41
  5. Step 5: Solve for x
    x = 9,549,366,050.41/112,054.92
  6. Step 6: Final answer
    x = 85,220.41

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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.