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Finding the Fourth Proportional to 172,659.16, 238,214.82 and 97,193.08

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Solution

The fourth proportional to 172,659.16, 238,214.82 and 97,193.08 is: 134,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,659.16 : 238,214.82 = 97,193.08 : x
  2. Step 2: Convert to fraction form
    172,659.16/238,214.82 = 97,193.08/x
  3. Step 3: Cross multiply
    172,659.16x = 238,214.82 × 97,193.08
  4. Step 4: Simplify right side
    172,659.16x = 23,152,832,057.45
  5. Step 5: Solve for x
    x = 23,152,832,057.45/172,659.16
  6. Step 6: Final answer
    x = 134,095.59

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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.