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Finding the Fourth Proportional to 202,663.40, 304,001.24 and 69,541.76

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Solution

The fourth proportional to 202,663.40, 304,001.24 and 69,541.76 is: 104,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,663.40 : 304,001.24 = 69,541.76 : x
  2. Step 2: Convert to fraction form
    202,663.40/304,001.24 = 69,541.76/x
  3. Step 3: Cross multiply
    202,663.40x = 304,001.24 × 69,541.76
  4. Step 4: Simplify right side
    202,663.40x = 21,140,781,271.78
  5. Step 5: Solve for x
    x = 21,140,781,271.78/202,663.40
  6. Step 6: Final answer
    x = 104,314.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.