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Finding the Fourth Proportional to 356,189.04, 534,283.92 and 89,952.48

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Solution

The fourth proportional to 356,189.04, 534,283.92 and 89,952.48 is: 134,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,189.04 : 534,283.92 = 89,952.48 : x
  2. Step 2: Convert to fraction form
    356,189.04/534,283.92 = 89,952.48/x
  3. Step 3: Cross multiply
    356,189.04x = 534,283.92 × 89,952.48
  4. Step 4: Simplify right side
    356,189.04x = 48,060,163,628.12
  5. Step 5: Solve for x
    x = 48,060,163,628.12/356,189.04
  6. Step 6: Final answer
    x = 134,928.81

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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.