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Finding the Fourth Proportional to 71,567.55, 100,063.35 and 71,567.55

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Solution

The fourth proportional to 71,567.55, 100,063.35 and 71,567.55 is: 100,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.55 : 100,063.35 = 71,567.55 : x
  2. Step 2: Convert to fraction form
    71,567.55/100,063.35 = 71,567.55/x
  3. Step 3: Cross multiply
    71,567.55x = 100,063.35 × 71,567.55
  4. Step 4: Simplify right side
    71,567.55x = 7,161,288,804.29
  5. Step 5: Solve for x
    x = 7,161,288,804.29/71,567.55
  6. Step 6: Final answer
    x = 100,063.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.