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Finding the Fourth Proportional to 152,793.00, 210,831.87 and 84,810.49

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Solution

The fourth proportional to 152,793.00, 210,831.87 and 84,810.49 is: 117,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,793.00 : 210,831.87 = 84,810.49 : x
  2. Step 2: Convert to fraction form
    152,793.00/210,831.87 = 84,810.49/x
  3. Step 3: Cross multiply
    152,793.00x = 210,831.87 × 84,810.49
  4. Step 4: Simplify right side
    152,793.00x = 17,880,753,993.28
  5. Step 5: Solve for x
    x = 17,880,753,993.28/152,793.00
  6. Step 6: Final answer
    x = 117,026.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.