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Finding the Fourth Proportional to 335,139.00, 502,425.29 and 145,455.93

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Solution

The fourth proportional to 335,139.00, 502,425.29 and 145,455.93 is: 218,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,139.00 : 502,425.29 = 145,455.93 : x
  2. Step 2: Convert to fraction form
    335,139.00/502,425.29 = 145,455.93/x
  3. Step 3: Cross multiply
    335,139.00x = 502,425.29 × 145,455.93
  4. Step 4: Simplify right side
    335,139.00x = 73,080,738,176.11
  5. Step 5: Solve for x
    x = 73,080,738,176.11/335,139.00
  6. Step 6: Final answer
    x = 218,060.98

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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.