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Finding the Fourth Proportional to 153,571.20, 230,228.80 and 64,892.80

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Solution

The fourth proportional to 153,571.20, 230,228.80 and 64,892.80 is: 97,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,571.20 : 230,228.80 = 64,892.80 : x
  2. Step 2: Convert to fraction form
    153,571.20/230,228.80 = 64,892.80/x
  3. Step 3: Cross multiply
    153,571.20x = 230,228.80 × 64,892.80
  4. Step 4: Simplify right side
    153,571.20x = 14,940,191,472.64
  5. Step 5: Solve for x
    x = 14,940,191,472.64/153,571.20
  6. Step 6: Final answer
    x = 97,285.11

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1.5x scale

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.