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Finding the Fourth Proportional to 172,924.16, 238,653.68 and 101,364.28

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Solution

The fourth proportional to 172,924.16, 238,653.68 and 101,364.28 is: 139,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,924.16 : 238,653.68 = 101,364.28 : x
  2. Step 2: Convert to fraction form
    172,924.16/238,653.68 = 101,364.28/x
  3. Step 3: Cross multiply
    172,924.16x = 238,653.68 × 101,364.28
  4. Step 4: Simplify right side
    172,924.16x = 24,190,958,442.55
  5. Step 5: Solve for x
    x = 24,190,958,442.55/172,924.16
  6. Step 6: Final answer
    x = 139,893.46

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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.