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Finding the Fourth Proportional to 200,598.32, 276,815.40 and 115,710.32

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Solution

The fourth proportional to 200,598.32, 276,815.40 and 115,710.32 is: 159,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,598.32 : 276,815.40 = 115,710.32 : x
  2. Step 2: Convert to fraction form
    200,598.32/276,815.40 = 115,710.32/x
  3. Step 3: Cross multiply
    200,598.32x = 276,815.40 × 115,710.32
  4. Step 4: Simplify right side
    200,598.32x = 32,030,398,514.93
  5. Step 5: Solve for x
    x = 32,030,398,514.93/200,598.32
  6. Step 6: Final answer
    x = 159,674.31

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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.