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Finding the Fourth Proportional to 172,036.40, 258,054.60 and 132,670.40

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Solution

The fourth proportional to 172,036.40, 258,054.60 and 132,670.40 is: 199,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,036.40 : 258,054.60 = 132,670.40 : x
  2. Step 2: Convert to fraction form
    172,036.40/258,054.60 = 132,670.40/x
  3. Step 3: Cross multiply
    172,036.40x = 258,054.60 × 132,670.40
  4. Step 4: Simplify right side
    172,036.40x = 34,236,207,003.84
  5. Step 5: Solve for x
    x = 34,236,207,003.84/172,036.40
  6. Step 6: Final answer
    x = 199,005.60

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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.