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Finding the Fourth Proportional to 144,452.37, 216,702.75 and 49,678.71

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Solution

The fourth proportional to 144,452.37, 216,702.75 and 49,678.71 is: 74,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,452.37 : 216,702.75 = 49,678.71 : x
  2. Step 2: Convert to fraction form
    144,452.37/216,702.75 = 49,678.71/x
  3. Step 3: Cross multiply
    144,452.37x = 216,702.75 × 49,678.71
  4. Step 4: Simplify right side
    144,452.37x = 10,765,513,073.45
  5. Step 5: Solve for x
    x = 10,765,513,073.45/144,452.37
  6. Step 6: Final answer
    x = 74,526.39

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1.5x scale

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.