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Finding the Fourth Proportional to 161,572, 222,986.64 and 94,560.16

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Solution

The fourth proportional to 161,572, 222,986.64 and 94,560.16 is: 130,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,572 : 222,986.64 = 94,560.16 : x
  2. Step 2: Convert to fraction form
    161,572/222,986.64 = 94,560.16/x
  3. Step 3: Cross multiply
    161,572x = 222,986.64 × 94,560.16
  4. Step 4: Simplify right side
    161,572x = 21,085,652,356.26
  5. Step 5: Solve for x
    x = 21,085,652,356.26/161,572
  6. Step 6: Final answer
    x = 130,503.13

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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.