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Finding the Fourth Proportional to 144,379.34, 216,423.58 and 60,186.08

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Solution

The fourth proportional to 144,379.34, 216,423.58 and 60,186.08 is: 90,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,379.34 : 216,423.58 = 60,186.08 : x
  2. Step 2: Convert to fraction form
    144,379.34/216,423.58 = 60,186.08/x
  3. Step 3: Cross multiply
    144,379.34x = 216,423.58 × 60,186.08
  4. Step 4: Simplify right side
    144,379.34x = 13,025,686,899.77
  5. Step 5: Solve for x
    x = 13,025,686,899.77/144,379.34
  6. Step 6: Final answer
    x = 90,218.50

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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.