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Finding the Fourth Proportional to 172,101.60, 258,152.40 and 116,114.40

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Solution

The fourth proportional to 172,101.60, 258,152.40 and 116,114.40 is: 174,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,101.60 : 258,152.40 = 116,114.40 : x
  2. Step 2: Convert to fraction form
    172,101.60/258,152.40 = 116,114.40/x
  3. Step 3: Cross multiply
    172,101.60x = 258,152.40 × 116,114.40
  4. Step 4: Simplify right side
    172,101.60x = 29,975,211,034.56
  5. Step 5: Solve for x
    x = 29,975,211,034.56/172,101.60
  6. Step 6: Final answer
    x = 174,171.60

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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.