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Finding the Fourth Proportional to 250,047.59, 345,065.01 and 135,326.45

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Solution

The fourth proportional to 250,047.59, 345,065.01 and 135,326.45 is: 186,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,047.59 : 345,065.01 = 135,326.45 : x
  2. Step 2: Convert to fraction form
    250,047.59/345,065.01 = 135,326.45/x
  3. Step 3: Cross multiply
    250,047.59x = 345,065.01 × 135,326.45
  4. Step 4: Simplify right side
    250,047.59x = 46,696,421,097.19
  5. Step 5: Solve for x
    x = 46,696,421,097.19/250,047.59
  6. Step 6: Final answer
    x = 186,750.14

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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.