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Finding the Fourth Proportional to 172,957.12, 238,740.32 and 101,360.32

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Solution

The fourth proportional to 172,957.12, 238,740.32 and 101,360.32 is: 139,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,957.12 : 238,740.32 = 101,360.32 : x
  2. Step 2: Convert to fraction form
    172,957.12/238,740.32 = 101,360.32/x
  3. Step 3: Cross multiply
    172,957.12x = 238,740.32 × 101,360.32
  4. Step 4: Simplify right side
    172,957.12x = 24,198,795,232.10
  5. Step 5: Solve for x
    x = 24,198,795,232.10/172,957.12
  6. Step 6: Final answer
    x = 139,912.11

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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.