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Finding the Fourth Proportional to 91,602.40, 137,480.40 and 44,895.20

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Solution

The fourth proportional to 91,602.40, 137,480.40 and 44,895.20 is: 67,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,602.40 : 137,480.40 = 44,895.20 : x
  2. Step 2: Convert to fraction form
    91,602.40/137,480.40 = 44,895.20/x
  3. Step 3: Cross multiply
    91,602.40x = 137,480.40 × 44,895.20
  4. Step 4: Simplify right side
    91,602.40x = 6,172,210,054.08
  5. Step 5: Solve for x
    x = 6,172,210,054.08/91,602.40
  6. Step 6: Final answer
    x = 67,380.44

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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.