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Finding the Fourth Proportional to 174,458.76, 240,511.22 and 117,780.36

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Solution

The fourth proportional to 174,458.76, 240,511.22 and 117,780.36 is: 162,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,458.76 : 240,511.22 = 117,780.36 : x
  2. Step 2: Convert to fraction form
    174,458.76/240,511.22 = 117,780.36/x
  3. Step 3: Cross multiply
    174,458.76x = 240,511.22 × 117,780.36
  4. Step 4: Simplify right side
    174,458.76x = 28,327,498,075.64
  5. Step 5: Solve for x
    x = 28,327,498,075.64/174,458.76
  6. Step 6: Final answer
    x = 162,373.61

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1.5x scale

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.