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Finding the Fourth Proportional to 178,083.81, 245,744.82 and 97,512.30

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Solution

The fourth proportional to 178,083.81, 245,744.82 and 97,512.30 is: 134,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,083.81 : 245,744.82 = 97,512.30 : x
  2. Step 2: Convert to fraction form
    178,083.81/245,744.82 = 97,512.30/x
  3. Step 3: Cross multiply
    178,083.81x = 245,744.82 × 97,512.30
  4. Step 4: Simplify right side
    178,083.81x = 23,963,142,611.29
  5. Step 5: Solve for x
    x = 23,963,142,611.29/178,083.81
  6. Step 6: Final answer
    x = 134,561.04

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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.