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Finding the Fourth Proportional to 144,574.79, 216,914.04 and 64,606.05

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Solution

The fourth proportional to 144,574.79, 216,914.04 and 64,606.05 is: 96,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,574.79 : 216,914.04 = 64,606.05 : x
  2. Step 2: Convert to fraction form
    144,574.79/216,914.04 = 64,606.05/x
  3. Step 3: Cross multiply
    144,574.79x = 216,914.04 × 64,606.05
  4. Step 4: Simplify right side
    144,574.79x = 14,013,959,313.94
  5. Step 5: Solve for x
    x = 14,013,959,313.94/144,574.79
  6. Step 6: Final answer
    x = 96,932.25

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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.