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Finding the Fourth Proportional to 260,106.50, 358,935.94 and 163,360.91

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Solution

The fourth proportional to 260,106.50, 358,935.94 and 163,360.91 is: 225,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,106.50 : 358,935.94 = 163,360.91 : x
  2. Step 2: Convert to fraction form
    260,106.50/358,935.94 = 163,360.91/x
  3. Step 3: Cross multiply
    260,106.50x = 358,935.94 × 163,360.91
  4. Step 4: Simplify right side
    260,106.50x = 58,636,102,891.65
  5. Step 5: Solve for x
    x = 58,636,102,891.65/260,106.50
  6. Step 6: Final answer
    x = 225,431.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.