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Finding the Fourth Proportional to 144,366.48, 216,582.48 and 65,503.26

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Solution

The fourth proportional to 144,366.48, 216,582.48 and 65,503.26 is: 98,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,366.48 : 216,582.48 = 65,503.26 : x
  2. Step 2: Convert to fraction form
    144,366.48/216,582.48 = 65,503.26/x
  3. Step 3: Cross multiply
    144,366.48x = 216,582.48 × 65,503.26
  4. Step 4: Simplify right side
    144,366.48x = 14,186,858,498.88
  5. Step 5: Solve for x
    x = 14,186,858,498.88/144,366.48
  6. Step 6: Final answer
    x = 98,269.75

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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.