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Finding the Fourth Proportional to 336,133.13, 504,200.70 and 86,815.13

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Solution

The fourth proportional to 336,133.13, 504,200.70 and 86,815.13 is: 130,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,133.13 : 504,200.70 = 86,815.13 : x
  2. Step 2: Convert to fraction form
    336,133.13/504,200.70 = 86,815.13/x
  3. Step 3: Cross multiply
    336,133.13x = 504,200.70 × 86,815.13
  4. Step 4: Simplify right side
    336,133.13x = 43,772,249,316.59
  5. Step 5: Solve for x
    x = 43,772,249,316.59/336,133.13
  6. Step 6: Final answer
    x = 130,222.95

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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.