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Finding the Fourth Proportional to 112,990.64, 169,484.70 and 27,602.24

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Solution

The fourth proportional to 112,990.64, 169,484.70 and 27,602.24 is: 41,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.64 : 169,484.70 = 27,602.24 : x
  2. Step 2: Convert to fraction form
    112,990.64/169,484.70 = 27,602.24/x
  3. Step 3: Cross multiply
    112,990.64x = 169,484.70 × 27,602.24
  4. Step 4: Simplify right side
    112,990.64x = 4,678,157,365.73
  5. Step 5: Solve for x
    x = 4,678,157,365.73/112,990.64
  6. Step 6: Final answer
    x = 41,403.05

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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.