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Finding the Fourth Proportional to 113,903.40, 170,822.81 and 47,261.07

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Solution

The fourth proportional to 113,903.40, 170,822.81 and 47,261.07 is: 70,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,903.40 : 170,822.81 = 47,261.07 : x
  2. Step 2: Convert to fraction form
    113,903.40/170,822.81 = 47,261.07/x
  3. Step 3: Cross multiply
    113,903.40x = 170,822.81 × 47,261.07
  4. Step 4: Simplify right side
    113,903.40x = 8,073,268,832.70
  5. Step 5: Solve for x
    x = 8,073,268,832.70/113,903.40
  6. Step 6: Final answer
    x = 70,878.21

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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.