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Finding the Fourth Proportional to 170,593.56, 255,547.64 and 84,946.39

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Solution

The fourth proportional to 170,593.56, 255,547.64 and 84,946.39 is: 127,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,593.56 : 255,547.64 = 84,946.39 : x
  2. Step 2: Convert to fraction form
    170,593.56/255,547.64 = 84,946.39/x
  3. Step 3: Cross multiply
    170,593.56x = 255,547.64 × 84,946.39
  4. Step 4: Simplify right side
    170,593.56x = 21,707,849,064.52
  5. Step 5: Solve for x
    x = 21,707,849,064.52/170,593.56
  6. Step 6: Final answer
    x = 127,248.94

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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.