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Finding the Fourth Proportional to 147,839.68, 221,759.68 and 37,031.68

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Solution

The fourth proportional to 147,839.68, 221,759.68 and 37,031.68 is: 55,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,839.68 : 221,759.68 = 37,031.68 : x
  2. Step 2: Convert to fraction form
    147,839.68/221,759.68 = 37,031.68/x
  3. Step 3: Cross multiply
    147,839.68x = 221,759.68 × 37,031.68
  4. Step 4: Simplify right side
    147,839.68x = 8,212,133,506.66
  5. Step 5: Solve for x
    x = 8,212,133,506.66/147,839.68
  6. Step 6: Final answer
    x = 55,547.56

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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.