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Finding the Fourth Proportional to 178,124.27, 245,808.99 and 97,551.78

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Solution

The fourth proportional to 178,124.27, 245,808.99 and 97,551.78 is: 134,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,124.27 : 245,808.99 = 97,551.78 : x
  2. Step 2: Convert to fraction form
    178,124.27/245,808.99 = 97,551.78/x
  3. Step 3: Cross multiply
    178,124.27x = 245,808.99 × 97,551.78
  4. Step 4: Simplify right side
    178,124.27x = 23,979,103,592.72
  5. Step 5: Solve for x
    x = 23,979,103,592.72/178,124.27
  6. Step 6: Final answer
    x = 134,620.08

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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.