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Finding the Fourth Proportional to 144,564.66, 216,867.15 and 65,698.74

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Solution

The fourth proportional to 144,564.66, 216,867.15 and 65,698.74 is: 98,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,564.66 : 216,867.15 = 65,698.74 : x
  2. Step 2: Convert to fraction form
    144,564.66/216,867.15 = 65,698.74/x
  3. Step 3: Cross multiply
    144,564.66x = 216,867.15 × 65,698.74
  4. Step 4: Simplify right side
    144,564.66x = 14,247,898,502.39
  5. Step 5: Solve for x
    x = 14,247,898,502.39/144,564.66
  6. Step 6: Final answer
    x = 98,557.27

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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.