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Finding the Fourth Proportional to 202,979.58, 280,043.52 and 118,026.78

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Solution

The fourth proportional to 202,979.58, 280,043.52 and 118,026.78 is: 162,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,979.58 : 280,043.52 = 118,026.78 : x
  2. Step 2: Convert to fraction form
    202,979.58/280,043.52 = 118,026.78/x
  3. Step 3: Cross multiply
    202,979.58x = 280,043.52 × 118,026.78
  4. Step 4: Simplify right side
    202,979.58x = 33,052,634,925.47
  5. Step 5: Solve for x
    x = 33,052,634,925.47/202,979.58
  6. Step 6: Final answer
    x = 162,837.24

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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.