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Finding the Fourth Proportional to 200,528, 276,728.67 and 119,958.92

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Solution

The fourth proportional to 200,528, 276,728.67 and 119,958.92 is: 165,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,528 : 276,728.67 = 119,958.92 : x
  2. Step 2: Convert to fraction form
    200,528/276,728.67 = 119,958.92/x
  3. Step 3: Cross multiply
    200,528x = 276,728.67 × 119,958.92
  4. Step 4: Simplify right side
    200,528x = 33,196,072,386.24
  5. Step 5: Solve for x
    x = 33,196,072,386.24/200,528
  6. Step 6: Final answer
    x = 165,543.33

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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.