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Finding the Fourth Proportional to 172,620.54, 238,184.55 and 97,153.02

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Solution

The fourth proportional to 172,620.54, 238,184.55 and 97,153.02 is: 134,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,620.54 : 238,184.55 = 97,153.02 : x
  2. Step 2: Convert to fraction form
    172,620.54/238,184.55 = 97,153.02/x
  3. Step 3: Cross multiply
    172,620.54x = 238,184.55 × 97,153.02
  4. Step 4: Simplify right side
    172,620.54x = 23,140,348,349.84
  5. Step 5: Solve for x
    x = 23,140,348,349.84/172,620.54
  6. Step 6: Final answer
    x = 134,053.27

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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.