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Finding the Fourth Proportional to 110,312.80, 164,221.73 and 109,656.70

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Solution

The fourth proportional to 110,312.80, 164,221.73 and 109,656.70 is: 163,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,312.80 : 164,221.73 = 109,656.70 : x
  2. Step 2: Convert to fraction form
    110,312.80/164,221.73 = 109,656.70/x
  3. Step 3: Cross multiply
    110,312.80x = 164,221.73 × 109,656.70
  4. Step 4: Simplify right side
    110,312.80x = 18,008,012,980.09
  5. Step 5: Solve for x
    x = 18,008,012,980.09/110,312.80
  6. Step 6: Final answer
    x = 163,245.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.