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Finding the Fourth Proportional to 171,357.94, 236,465.40 and 93,831.58

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Solution

The fourth proportional to 171,357.94, 236,465.40 and 93,831.58 is: 129,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,357.94 : 236,465.40 = 93,831.58 : x
  2. Step 2: Convert to fraction form
    171,357.94/236,465.40 = 93,831.58/x
  3. Step 3: Cross multiply
    171,357.94x = 236,465.40 × 93,831.58
  4. Step 4: Simplify right side
    171,357.94x = 22,187,922,097.33
  5. Step 5: Solve for x
    x = 22,187,922,097.33/171,357.94
  6. Step 6: Final answer
    x = 129,482.89

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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.