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Finding the Fourth Proportional to 103,681.53, 155,547.02 and 33,560.87

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Solution

The fourth proportional to 103,681.53, 155,547.02 and 33,560.87 is: 50,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.53 : 155,547.02 = 33,560.87 : x
  2. Step 2: Convert to fraction form
    103,681.53/155,547.02 = 33,560.87/x
  3. Step 3: Cross multiply
    103,681.53x = 155,547.02 × 33,560.87
  4. Step 4: Simplify right side
    103,681.53x = 5,220,292,623.27
  5. Step 5: Solve for x
    x = 5,220,292,623.27/103,681.53
  6. Step 6: Final answer
    x = 50,349.30

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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.