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Finding the Fourth Proportional to 71,159.10, 106,740.48 and 33,710.40

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Solution

The fourth proportional to 71,159.10, 106,740.48 and 33,710.40 is: 50,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,159.10 : 106,740.48 = 33,710.40 : x
  2. Step 2: Convert to fraction form
    71,159.10/106,740.48 = 33,710.40/x
  3. Step 3: Cross multiply
    71,159.10x = 106,740.48 × 33,710.40
  4. Step 4: Simplify right side
    71,159.10x = 3,598,264,276.99
  5. Step 5: Solve for x
    x = 3,598,264,276.99/71,159.10
  6. Step 6: Final answer
    x = 50,566.47

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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.