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Finding the Fourth Proportional to 144,176.69, 216,141.89 and 101,923.85

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Solution

The fourth proportional to 144,176.69, 216,141.89 and 101,923.85 is: 152,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,176.69 : 216,141.89 = 101,923.85 : x
  2. Step 2: Convert to fraction form
    144,176.69/216,141.89 = 101,923.85/x
  3. Step 3: Cross multiply
    144,176.69x = 216,141.89 × 101,923.85
  4. Step 4: Simplify right side
    144,176.69x = 22,030,013,605.81
  5. Step 5: Solve for x
    x = 22,030,013,605.81/144,176.69
  6. Step 6: Final answer
    x = 152,798.72

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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.