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Finding the Fourth Proportional to 113,460.94, 156,507.02 and 69,860.51

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Solution

The fourth proportional to 113,460.94, 156,507.02 and 69,860.51 is: 96,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,460.94 : 156,507.02 = 69,860.51 : x
  2. Step 2: Convert to fraction form
    113,460.94/156,507.02 = 69,860.51/x
  3. Step 3: Cross multiply
    113,460.94x = 156,507.02 × 69,860.51
  4. Step 4: Simplify right side
    113,460.94x = 10,933,660,410.43
  5. Step 5: Solve for x
    x = 10,933,660,410.43/113,460.94
  6. Step 6: Final answer
    x = 96,364.97

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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.