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Finding the Fourth Proportional to 200,647.08, 276,666.22 and 127,952.82

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Solution

The fourth proportional to 200,647.08, 276,666.22 and 127,952.82 is: 176,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,647.08 : 276,666.22 = 127,952.82 : x
  2. Step 2: Convert to fraction form
    200,647.08/276,666.22 = 127,952.82/x
  3. Step 3: Cross multiply
    200,647.08x = 276,666.22 × 127,952.82
  4. Step 4: Simplify right side
    200,647.08x = 35,400,223,047.74
  5. Step 5: Solve for x
    x = 35,400,223,047.74/200,647.08
  6. Step 6: Final answer
    x = 176,430.29

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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.