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Finding the Fourth Proportional to 171,172.03, 236,199.12 and 94,678.93

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Solution

The fourth proportional to 171,172.03, 236,199.12 and 94,678.93 is: 130,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,172.03 : 236,199.12 = 94,678.93 : x
  2. Step 2: Convert to fraction form
    171,172.03/236,199.12 = 94,678.93/x
  3. Step 3: Cross multiply
    171,172.03x = 236,199.12 × 94,678.93
  4. Step 4: Simplify right side
    171,172.03x = 22,363,079,948.54
  5. Step 5: Solve for x
    x = 22,363,079,948.54/171,172.03
  6. Step 6: Final answer
    x = 130,646.81

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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.