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Finding the Fourth Proportional to 69,210.10, 103,746.03 and 34,174.90

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Solution

The fourth proportional to 69,210.10, 103,746.03 and 34,174.90 is: 51,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210.10 : 103,746.03 = 34,174.90 : x
  2. Step 2: Convert to fraction form
    69,210.10/103,746.03 = 34,174.90/x
  3. Step 3: Cross multiply
    69,210.10x = 103,746.03 × 34,174.90
  4. Step 4: Simplify right side
    69,210.10x = 3,545,510,200.65
  5. Step 5: Solve for x
    x = 3,545,510,200.65/69,210.10
  6. Step 6: Final answer
    x = 51,228.22

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1.5x scale

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.