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Finding the Fourth Proportional to 302,022.60, 452,918.70 and 91,590.60

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Solution

The fourth proportional to 302,022.60, 452,918.70 and 91,590.60 is: 137,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,022.60 : 452,918.70 = 91,590.60 : x
  2. Step 2: Convert to fraction form
    302,022.60/452,918.70 = 91,590.60/x
  3. Step 3: Cross multiply
    302,022.60x = 452,918.70 × 91,590.60
  4. Step 4: Simplify right side
    302,022.60x = 41,483,095,484.22
  5. Step 5: Solve for x
    x = 41,483,095,484.22/302,022.60
  6. Step 6: Final answer
    x = 137,350.96

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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.