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Finding the Fourth Proportional to 172,371.60, 258,557.40 and 116,384.40

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Solution

The fourth proportional to 172,371.60, 258,557.40 and 116,384.40 is: 174,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,371.60 : 258,557.40 = 116,384.40 : x
  2. Step 2: Convert to fraction form
    172,371.60/258,557.40 = 116,384.40/x
  3. Step 3: Cross multiply
    172,371.60x = 258,557.40 × 116,384.40
  4. Step 4: Simplify right side
    172,371.60x = 30,092,047,864.56
  5. Step 5: Solve for x
    x = 30,092,047,864.56/172,371.60
  6. Step 6: Final answer
    x = 174,576.60

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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.