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Finding the Fourth Proportional to 172,627.36, 238,089.36 and 112,999.84

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Solution

The fourth proportional to 172,627.36, 238,089.36 and 112,999.84 is: 155,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,627.36 : 238,089.36 = 112,999.84 : x
  2. Step 2: Convert to fraction form
    172,627.36/238,089.36 = 112,999.84/x
  3. Step 3: Cross multiply
    172,627.36x = 238,089.36 × 112,999.84
  4. Step 4: Simplify right side
    172,627.36x = 26,904,059,585.70
  5. Step 5: Solve for x
    x = 26,904,059,585.70/172,627.36
  6. Step 6: Final answer
    x = 155,850.50

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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.