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Finding the Fourth Proportional to 117,705.94, 162,599.73 and 107,077.12

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Solution

The fourth proportional to 117,705.94, 162,599.73 and 107,077.12 is: 147,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.94 : 162,599.73 = 107,077.12 : x
  2. Step 2: Convert to fraction form
    117,705.94/162,599.73 = 107,077.12/x
  3. Step 3: Cross multiply
    117,705.94x = 162,599.73 × 107,077.12
  4. Step 4: Simplify right side
    117,705.94x = 17,410,710,801.18
  5. Step 5: Solve for x
    x = 17,410,710,801.18/117,705.94
  6. Step 6: Final answer
    x = 147,917.01

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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.