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Finding the Fourth Proportional to 172,903.53, 238,607.87 and 96,427.45

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Solution

The fourth proportional to 172,903.53, 238,607.87 and 96,427.45 is: 133,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,903.53 : 238,607.87 = 96,427.45 : x
  2. Step 2: Convert to fraction form
    172,903.53/238,607.87 = 96,427.45/x
  3. Step 3: Cross multiply
    172,903.53x = 238,607.87 × 96,427.45
  4. Step 4: Simplify right side
    172,903.53x = 23,008,348,454.03
  5. Step 5: Solve for x
    x = 23,008,348,454.03/172,903.53
  6. Step 6: Final answer
    x = 133,070.44

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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.