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Finding the Fourth Proportional to 144,051.31, 216,030.27 and 47,962.88

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Solution

The fourth proportional to 144,051.31, 216,030.27 and 47,962.88 is: 71,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.31 : 216,030.27 = 47,962.88 : x
  2. Step 2: Convert to fraction form
    144,051.31/216,030.27 = 47,962.88/x
  3. Step 3: Cross multiply
    144,051.31x = 216,030.27 × 47,962.88
  4. Step 4: Simplify right side
    144,051.31x = 10,361,434,636.68
  5. Step 5: Solve for x
    x = 10,361,434,636.68/144,051.31
  6. Step 6: Final answer
    x = 71,928.78

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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.