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Finding the Fourth Proportional to 172,290.60, 237,744.18 and 96,837.48

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Solution

The fourth proportional to 172,290.60, 237,744.18 and 96,837.48 is: 133,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,290.60 : 237,744.18 = 96,837.48 : x
  2. Step 2: Convert to fraction form
    172,290.60/237,744.18 = 96,837.48/x
  3. Step 3: Cross multiply
    172,290.60x = 237,744.18 × 96,837.48
  4. Step 4: Simplify right side
    172,290.60x = 23,022,547,275.87
  5. Step 5: Solve for x
    x = 23,022,547,275.87/172,290.60
  6. Step 6: Final answer
    x = 133,626.25

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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.