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Finding the Fourth Proportional to 163,048.40, 244,572.60 and 141,178.40

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Solution

The fourth proportional to 163,048.40, 244,572.60 and 141,178.40 is: 211,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,048.40 : 244,572.60 = 141,178.40 : x
  2. Step 2: Convert to fraction form
    163,048.40/244,572.60 = 141,178.40/x
  3. Step 3: Cross multiply
    163,048.40x = 244,572.60 × 141,178.40
  4. Step 4: Simplify right side
    163,048.40x = 34,528,368,351.84
  5. Step 5: Solve for x
    x = 34,528,368,351.84/163,048.40
  6. Step 6: Final answer
    x = 211,767.60

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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.