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Finding the Fourth Proportional to 172,133.36, 237,477.84 and 126,918.80

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Solution

The fourth proportional to 172,133.36, 237,477.84 and 126,918.80 is: 175,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,133.36 : 237,477.84 = 126,918.80 : x
  2. Step 2: Convert to fraction form
    172,133.36/237,477.84 = 126,918.80/x
  3. Step 3: Cross multiply
    172,133.36x = 237,477.84 × 126,918.80
  4. Step 4: Simplify right side
    172,133.36x = 30,140,402,479.39
  5. Step 5: Solve for x
    x = 30,140,402,479.39/172,133.36
  6. Step 6: Final answer
    x = 175,099.14

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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.