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Finding the Fourth Proportional to 103,303.95, 154,950.45 and 33,177.79

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Solution

The fourth proportional to 103,303.95, 154,950.45 and 33,177.79 is: 49,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,303.95 : 154,950.45 = 33,177.79 : x
  2. Step 2: Convert to fraction form
    103,303.95/154,950.45 = 33,177.79/x
  3. Step 3: Cross multiply
    103,303.95x = 154,950.45 × 33,177.79
  4. Step 4: Simplify right side
    103,303.95x = 5,140,913,490.51
  5. Step 5: Solve for x
    x = 5,140,913,490.51/103,303.95
  6. Step 6: Final answer
    x = 49,764.93

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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.