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Finding the Fourth Proportional to 161,312.58, 222,628.37 and 92,407.53

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Solution

The fourth proportional to 161,312.58, 222,628.37 and 92,407.53 is: 127,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,312.58 : 222,628.37 = 92,407.53 : x
  2. Step 2: Convert to fraction form
    161,312.58/222,628.37 = 92,407.53/x
  3. Step 3: Cross multiply
    161,312.58x = 222,628.37 × 92,407.53
  4. Step 4: Simplify right side
    161,312.58x = 20,572,538,152.44
  5. Step 5: Solve for x
    x = 20,572,538,152.44/161,312.58
  6. Step 6: Final answer
    x = 127,532.14

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1.5x scale

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.