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Finding the Fourth Proportional to 145,878.84, 218,810.51 and 44,676.87

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Solution

The fourth proportional to 145,878.84, 218,810.51 and 44,676.87 is: 67,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,878.84 : 218,810.51 = 44,676.87 : x
  2. Step 2: Convert to fraction form
    145,878.84/218,810.51 = 44,676.87/x
  3. Step 3: Cross multiply
    145,878.84x = 218,810.51 × 44,676.87
  4. Step 4: Simplify right side
    145,878.84x = 9,775,768,084.83
  5. Step 5: Solve for x
    x = 9,775,768,084.83/145,878.84
  6. Step 6: Final answer
    x = 67,012.93

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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.