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Finding the Fourth Proportional to 224,720.70, 336,643.65 and 124,701.90

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Solution

The fourth proportional to 224,720.70, 336,643.65 and 124,701.90 is: 186,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,720.70 : 336,643.65 = 124,701.90 : x
  2. Step 2: Convert to fraction form
    224,720.70/336,643.65 = 124,701.90/x
  3. Step 3: Cross multiply
    224,720.70x = 336,643.65 × 124,701.90
  4. Step 4: Simplify right side
    224,720.70x = 41,980,102,777.94
  5. Step 5: Solve for x
    x = 41,980,102,777.94/224,720.70
  6. Step 6: Final answer
    x = 186,810.13

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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.