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Finding the Fourth Proportional to 245,527.53, 368,306.89 and 77,054.51

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Solution

The fourth proportional to 245,527.53, 368,306.89 and 77,054.51 is: 115,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,527.53 : 368,306.89 = 77,054.51 : x
  2. Step 2: Convert to fraction form
    245,527.53/368,306.89 = 77,054.51/x
  3. Step 3: Cross multiply
    245,527.53x = 368,306.89 × 77,054.51
  4. Step 4: Simplify right side
    245,527.53x = 28,379,706,938.57
  5. Step 5: Solve for x
    x = 28,379,706,938.57/245,527.53
  6. Step 6: Final answer
    x = 115,586.66

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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.