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Finding the Fourth Proportional to 144,362.41, 216,541.22 and 43,160.69

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Solution

The fourth proportional to 144,362.41, 216,541.22 and 43,160.69 is: 64,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,362.41 : 216,541.22 = 43,160.69 : x
  2. Step 2: Convert to fraction form
    144,362.41/216,541.22 = 43,160.69/x
  3. Step 3: Cross multiply
    144,362.41x = 216,541.22 × 43,160.69
  4. Step 4: Simplify right side
    144,362.41x = 9,346,069,117.90
  5. Step 5: Solve for x
    x = 9,346,069,117.90/144,362.41
  6. Step 6: Final answer
    x = 64,740.32

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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.