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Finding the Fourth Proportional to 98,895.93, 148,230.06 and 49,008.78

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Solution

The fourth proportional to 98,895.93, 148,230.06 and 49,008.78 is: 73,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.93 : 148,230.06 = 49,008.78 : x
  2. Step 2: Convert to fraction form
    98,895.93/148,230.06 = 49,008.78/x
  3. Step 3: Cross multiply
    98,895.93x = 148,230.06 × 49,008.78
  4. Step 4: Simplify right side
    98,895.93x = 7,264,574,399.93
  5. Step 5: Solve for x
    x = 7,264,574,399.93/98,895.93
  6. Step 6: Final answer
    x = 73,456.76

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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.