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Finding the Fourth Proportional to 94,532.40, 137,421.90 and 94,532.40

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Solution

The fourth proportional to 94,532.40, 137,421.90 and 94,532.40 is: 137,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,532.40 : 137,421.90 = 94,532.40 : x
  2. Step 2: Convert to fraction form
    94,532.40/137,421.90 = 94,532.40/x
  3. Step 3: Cross multiply
    94,532.40x = 137,421.90 × 94,532.40
  4. Step 4: Simplify right side
    94,532.40x = 12,990,822,019.56
  5. Step 5: Solve for x
    x = 12,990,822,019.56/94,532.40
  6. Step 6: Final answer
    x = 137,421.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.