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Finding the Fourth Proportional to 172,995.92, 238,734.60 and 93,507.92

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Solution

The fourth proportional to 172,995.92, 238,734.60 and 93,507.92 is: 129,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,995.92 : 238,734.60 = 93,507.92 : x
  2. Step 2: Convert to fraction form
    172,995.92/238,734.60 = 93,507.92/x
  3. Step 3: Cross multiply
    172,995.92x = 238,734.60 × 93,507.92
  4. Step 4: Simplify right side
    172,995.92x = 22,323,575,878.03
  5. Step 5: Solve for x
    x = 22,323,575,878.03/172,995.92
  6. Step 6: Final answer
    x = 129,041.05

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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.