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Finding the Fourth Proportional to 152,037.52, 209,829.48 and 126,498.88

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Solution

The fourth proportional to 152,037.52, 209,829.48 and 126,498.88 is: 174,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,037.52 : 209,829.48 = 126,498.88 : x
  2. Step 2: Convert to fraction form
    152,037.52/209,829.48 = 126,498.88/x
  3. Step 3: Cross multiply
    152,037.52x = 209,829.48 × 126,498.88
  4. Step 4: Simplify right side
    152,037.52x = 26,543,194,210.98
  5. Step 5: Solve for x
    x = 26,543,194,210.98/152,037.52
  6. Step 6: Final answer
    x = 174,583.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.