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Finding the Fourth Proportional to 91,410.40, 137,050.80 and 35,228.80

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Solution

The fourth proportional to 91,410.40, 137,050.80 and 35,228.80 is: 52,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,410.40 : 137,050.80 = 35,228.80 : x
  2. Step 2: Convert to fraction form
    91,410.40/137,050.80 = 35,228.80/x
  3. Step 3: Cross multiply
    91,410.40x = 137,050.80 × 35,228.80
  4. Step 4: Simplify right side
    91,410.40x = 4,828,135,223.04
  5. Step 5: Solve for x
    x = 4,828,135,223.04/91,410.40
  6. Step 6: Final answer
    x = 52,818.23

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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.