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Finding the Fourth Proportional to 315,353.95, 473,077.73 and 102,050.37

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Solution

The fourth proportional to 315,353.95, 473,077.73 and 102,050.37 is: 153,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,353.95 : 473,077.73 = 102,050.37 : x
  2. Step 2: Convert to fraction form
    315,353.95/473,077.73 = 102,050.37/x
  3. Step 3: Cross multiply
    315,353.95x = 473,077.73 × 102,050.37
  4. Step 4: Simplify right side
    315,353.95x = 48,277,757,640.39
  5. Step 5: Solve for x
    x = 48,277,757,640.39/315,353.95
  6. Step 6: Final answer
    x = 153,090.70

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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.