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Finding the Fourth Proportional to 158,539.20, 237,808.80 and 64,996.80

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Solution

The fourth proportional to 158,539.20, 237,808.80 and 64,996.80 is: 97,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,539.20 : 237,808.80 = 64,996.80 : x
  2. Step 2: Convert to fraction form
    158,539.20/237,808.80 = 64,996.80/x
  3. Step 3: Cross multiply
    158,539.20x = 237,808.80 × 64,996.80
  4. Step 4: Simplify right side
    158,539.20x = 15,456,811,011.84
  5. Step 5: Solve for x
    x = 15,456,811,011.84/158,539.20
  6. Step 6: Final answer
    x = 97,495.20

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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.