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Finding the Fourth Proportional to 202,806.80, 304,108.64 and 62,547.20

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Solution

The fourth proportional to 202,806.80, 304,108.64 and 62,547.20 is: 93,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,806.80 : 304,108.64 = 62,547.20 : x
  2. Step 2: Convert to fraction form
    202,806.80/304,108.64 = 62,547.20/x
  3. Step 3: Cross multiply
    202,806.80x = 304,108.64 × 62,547.20
  4. Step 4: Simplify right side
    202,806.80x = 19,021,143,927.81
  5. Step 5: Solve for x
    x = 19,021,143,927.81/202,806.80
  6. Step 6: Final answer
    x = 93,789.48

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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.