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Finding the Fourth Proportional to 173,681.84, 239,685.23 and 97,200.32

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Solution

The fourth proportional to 173,681.84, 239,685.23 and 97,200.32 is: 134,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,681.84 : 239,685.23 = 97,200.32 : x
  2. Step 2: Convert to fraction form
    173,681.84/239,685.23 = 97,200.32/x
  3. Step 3: Cross multiply
    173,681.84x = 239,685.23 × 97,200.32
  4. Step 4: Simplify right side
    173,681.84x = 23,297,481,168.49
  5. Step 5: Solve for x
    x = 23,297,481,168.49/173,681.84
  6. Step 6: Final answer
    x = 134,138.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.