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Finding the Fourth Proportional to 100,543.00, 150,741.48 and 47,207.53

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Solution

The fourth proportional to 100,543.00, 150,741.48 and 47,207.53 is: 70,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,543.00 : 150,741.48 = 47,207.53 : x
  2. Step 2: Convert to fraction form
    100,543.00/150,741.48 = 47,207.53/x
  3. Step 3: Cross multiply
    100,543.00x = 150,741.48 × 47,207.53
  4. Step 4: Simplify right side
    100,543.00x = 7,116,133,595.99
  5. Step 5: Solve for x
    x = 7,116,133,595.99/100,543.00
  6. Step 6: Final answer
    x = 70,777.02

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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.