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Finding the Fourth Proportional to 210,008.93, 315,029.19 and 60,248.03

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Solution

The fourth proportional to 210,008.93, 315,029.19 and 60,248.03 is: 90,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,008.93 : 315,029.19 = 60,248.03 : x
  2. Step 2: Convert to fraction form
    210,008.93/315,029.19 = 60,248.03/x
  3. Step 3: Cross multiply
    210,008.93x = 315,029.19 × 60,248.03
  4. Step 4: Simplify right side
    210,008.93x = 18,979,888,090.00
  5. Step 5: Solve for x
    x = 18,979,888,090.00/210,008.93
  6. Step 6: Final answer
    x = 90,376.58

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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.