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Finding the Fourth Proportional to 160,875.90, 222,018.80 and 92,905.30

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Solution

The fourth proportional to 160,875.90, 222,018.80 and 92,905.30 is: 128,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,875.90 : 222,018.80 = 92,905.30 : x
  2. Step 2: Convert to fraction form
    160,875.90/222,018.80 = 92,905.30/x
  3. Step 3: Cross multiply
    160,875.90x = 222,018.80 × 92,905.30
  4. Step 4: Simplify right side
    160,875.90x = 20,626,723,219.64
  5. Step 5: Solve for x
    x = 20,626,723,219.64/160,875.90
  6. Step 6: Final answer
    x = 128,215.12

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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.