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Finding the Fourth Proportional to 203,173.01, 304,779.55 and 70,035.74

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Solution

The fourth proportional to 203,173.01, 304,779.55 and 70,035.74 is: 105,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,173.01 : 304,779.55 = 70,035.74 : x
  2. Step 2: Convert to fraction form
    203,173.01/304,779.55 = 70,035.74/x
  3. Step 3: Cross multiply
    203,173.01x = 304,779.55 × 70,035.74
  4. Step 4: Simplify right side
    203,173.01x = 21,345,459,797.22
  5. Step 5: Solve for x
    x = 21,345,459,797.22/203,173.01
  6. Step 6: Final answer
    x = 105,060.51

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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.