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Finding the Fourth Proportional to 118,567.50, 163,619.01 and 67,596.65

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Solution

The fourth proportional to 118,567.50, 163,619.01 and 67,596.65 is: 93,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,567.50 : 163,619.01 = 67,596.65 : x
  2. Step 2: Convert to fraction form
    118,567.50/163,619.01 = 67,596.65/x
  3. Step 3: Cross multiply
    118,567.50x = 163,619.01 × 67,596.65
  4. Step 4: Simplify right side
    118,567.50x = 11,060,096,543.27
  5. Step 5: Solve for x
    x = 11,060,096,543.27/118,567.50
  6. Step 6: Final answer
    x = 93,281.01

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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.