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Finding the Fourth Proportional to 172,597.02, 238,126.80 and 100,926.29

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Solution

The fourth proportional to 172,597.02, 238,126.80 and 100,926.29 is: 139,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,597.02 : 238,126.80 = 100,926.29 : x
  2. Step 2: Convert to fraction form
    172,597.02/238,126.80 = 100,926.29/x
  3. Step 3: Cross multiply
    172,597.02x = 238,126.80 × 100,926.29
  4. Step 4: Simplify right side
    172,597.02x = 24,033,254,473.57
  5. Step 5: Solve for x
    x = 24,033,254,473.57/172,597.02
  6. Step 6: Final answer
    x = 139,244.90

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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.