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Finding the Fourth Proportional to 333,854.02, 500,799.27 and 84,538.18

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Solution

The fourth proportional to 333,854.02, 500,799.27 and 84,538.18 is: 126,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,854.02 : 500,799.27 = 84,538.18 : x
  2. Step 2: Convert to fraction form
    333,854.02/500,799.27 = 84,538.18/x
  3. Step 3: Cross multiply
    333,854.02x = 500,799.27 × 84,538.18
  4. Step 4: Simplify right side
    333,854.02x = 42,336,658,831.13
  5. Step 5: Solve for x
    x = 42,336,658,831.13/333,854.02
  6. Step 6: Final answer
    x = 126,811.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.