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Finding the Fourth Proportional to 66,510.19, 99,765.29 and 44,366.81

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Solution

The fourth proportional to 66,510.19, 99,765.29 and 44,366.81 is: 66,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,510.19 : 99,765.29 = 44,366.81 : x
  2. Step 2: Convert to fraction form
    66,510.19/99,765.29 = 44,366.81/x
  3. Step 3: Cross multiply
    66,510.19x = 99,765.29 × 44,366.81
  4. Step 4: Simplify right side
    66,510.19x = 4,426,267,444.19
  5. Step 5: Solve for x
    x = 4,426,267,444.19/66,510.19
  6. Step 6: Final answer
    x = 66,550.22

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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.