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Finding the Fourth Proportional to 172,457.40, 237,993.18 and 97,005.24

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Solution

The fourth proportional to 172,457.40, 237,993.18 and 97,005.24 is: 133,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,457.40 : 237,993.18 = 97,005.24 : x
  2. Step 2: Convert to fraction form
    172,457.40/237,993.18 = 97,005.24/x
  3. Step 3: Cross multiply
    172,457.40x = 237,993.18 × 97,005.24
  4. Step 4: Simplify right side
    172,457.40x = 23,086,585,544.26
  5. Step 5: Solve for x
    x = 23,086,585,544.26/172,457.40
  6. Step 6: Final answer
    x = 133,868.34

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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.