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Finding the Fourth Proportional to 144,499.36, 216,811.32 and 60,276.11

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Solution

The fourth proportional to 144,499.36, 216,811.32 and 60,276.11 is: 90,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,499.36 : 216,811.32 = 60,276.11 : x
  2. Step 2: Convert to fraction form
    144,499.36/216,811.32 = 60,276.11/x
  3. Step 3: Cross multiply
    144,499.36x = 216,811.32 × 60,276.11
  4. Step 4: Simplify right side
    144,499.36x = 13,068,543,442.22
  5. Step 5: Solve for x
    x = 13,068,543,442.22/144,499.36
  6. Step 6: Final answer
    x = 90,440.15

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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.