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Finding the Fourth Proportional to 144,575.29, 216,914.79 and 64,606.55

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Solution

The fourth proportional to 144,575.29, 216,914.79 and 64,606.55 is: 96,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,575.29 : 216,914.79 = 64,606.55 : x
  2. Step 2: Convert to fraction form
    144,575.29/216,914.79 = 64,606.55/x
  3. Step 3: Cross multiply
    144,575.29x = 216,914.79 × 64,606.55
  4. Step 4: Simplify right side
    144,575.29x = 14,014,116,225.87
  5. Step 5: Solve for x
    x = 14,014,116,225.87/144,575.29
  6. Step 6: Final answer
    x = 96,933.00

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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.