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Finding the Fourth Proportional to 112,359.87, 167,291.87 and 110,790.50

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Solution

The fourth proportional to 112,359.87, 167,291.87 and 110,790.50 is: 164,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,359.87 : 167,291.87 = 110,790.50 : x
  2. Step 2: Convert to fraction form
    112,359.87/167,291.87 = 110,790.50/x
  3. Step 3: Cross multiply
    112,359.87x = 167,291.87 × 110,790.50
  4. Step 4: Simplify right side
    112,359.87x = 18,534,348,532.82
  5. Step 5: Solve for x
    x = 18,534,348,532.82/112,359.87
  6. Step 6: Final answer
    x = 164,955.23

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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.