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Finding the Fourth Proportional to 105,037.16, 157,623.90 and 62,885.48

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Solution

The fourth proportional to 105,037.16, 157,623.90 and 62,885.48 is: 94,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,037.16 : 157,623.90 = 62,885.48 : x
  2. Step 2: Convert to fraction form
    105,037.16/157,623.90 = 62,885.48/x
  3. Step 3: Cross multiply
    105,037.16x = 157,623.90 × 62,885.48
  4. Step 4: Simplify right side
    105,037.16x = 9,912,254,610.97
  5. Step 5: Solve for x
    x = 9,912,254,610.97/105,037.16
  6. Step 6: Final answer
    x = 94,369.03

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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.