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Finding the Fourth Proportional to 144,347.52, 216,645.90 and 127,532.24

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Solution

The fourth proportional to 144,347.52, 216,645.90 and 127,532.24 is: 191,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,347.52 : 216,645.90 = 127,532.24 : x
  2. Step 2: Convert to fraction form
    144,347.52/216,645.90 = 127,532.24/x
  3. Step 3: Cross multiply
    144,347.52x = 216,645.90 × 127,532.24
  4. Step 4: Simplify right side
    144,347.52x = 27,629,336,913.82
  5. Step 5: Solve for x
    x = 27,629,336,913.82/144,347.52
  6. Step 6: Final answer
    x = 191,408.46

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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.