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Finding the Fourth Proportional to 355,999.53, 534,086.79 and 106,681.53

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Solution

The fourth proportional to 355,999.53, 534,086.79 and 106,681.53 is: 160,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,999.53 : 534,086.79 = 106,681.53 : x
  2. Step 2: Convert to fraction form
    355,999.53/534,086.79 = 106,681.53/x
  3. Step 3: Cross multiply
    355,999.53x = 534,086.79 × 106,681.53
  4. Step 4: Simplify right side
    355,999.53x = 56,977,195,909.99
  5. Step 5: Solve for x
    x = 56,977,195,909.99/355,999.53
  6. Step 6: Final answer
    x = 160,048.51

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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.