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Finding the Fourth Proportional to 114,460.80, 171,545.40 and 83,259.60

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Solution

The fourth proportional to 114,460.80, 171,545.40 and 83,259.60 is: 124,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,460.80 : 171,545.40 = 83,259.60 : x
  2. Step 2: Convert to fraction form
    114,460.80/171,545.40 = 83,259.60/x
  3. Step 3: Cross multiply
    114,460.80x = 171,545.40 × 83,259.60
  4. Step 4: Simplify right side
    114,460.80x = 14,282,801,385.84
  5. Step 5: Solve for x
    x = 14,282,801,385.84/114,460.80
  6. Step 6: Final answer
    x = 124,783.34

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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.