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Finding the Fourth Proportional to 88,915.81, 133,373.01 and 36,288.39

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Solution

The fourth proportional to 88,915.81, 133,373.01 and 36,288.39 is: 54,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.81 : 133,373.01 = 36,288.39 : x
  2. Step 2: Convert to fraction form
    88,915.81/133,373.01 = 36,288.39/x
  3. Step 3: Cross multiply
    88,915.81x = 133,373.01 × 36,288.39
  4. Step 4: Simplify right side
    88,915.81x = 4,839,891,802.35
  5. Step 5: Solve for x
    x = 4,839,891,802.35/88,915.81
  6. Step 6: Final answer
    x = 54,432.30

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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.