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Finding the Fourth Proportional to 144,860, 217,164.42 and 56,052.40

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Solution

The fourth proportional to 144,860, 217,164.42 and 56,052.40 is: 84,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,860 : 217,164.42 = 56,052.40 : x
  2. Step 2: Convert to fraction form
    144,860/217,164.42 = 56,052.40/x
  3. Step 3: Cross multiply
    144,860x = 217,164.42 × 56,052.40
  4. Step 4: Simplify right side
    144,860x = 12,172,586,935.61
  5. Step 5: Solve for x
    x = 12,172,586,935.61/144,860
  6. Step 6: Final answer
    x = 84,030.01

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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.