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Finding the Fourth Proportional to 310,636.65, 465,346.04 and 160,975.11

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Solution

The fourth proportional to 310,636.65, 465,346.04 and 160,975.11 is: 241,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,636.65 : 465,346.04 = 160,975.11 : x
  2. Step 2: Convert to fraction form
    310,636.65/465,346.04 = 160,975.11/x
  3. Step 3: Cross multiply
    310,636.65x = 465,346.04 × 160,975.11
  4. Step 4: Simplify right side
    310,636.65x = 74,909,130,917.24
  5. Step 5: Solve for x
    x = 74,909,130,917.24/310,636.65
  6. Step 6: Final answer
    x = 241,147.11

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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.