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Finding the Fourth Proportional to 101,070.40, 151,605.60 and 63,672.70

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Solution

The fourth proportional to 101,070.40, 151,605.60 and 63,672.70 is: 95,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,070.40 : 151,605.60 = 63,672.70 : x
  2. Step 2: Convert to fraction form
    101,070.40/151,605.60 = 63,672.70/x
  3. Step 3: Cross multiply
    101,070.40x = 151,605.60 × 63,672.70
  4. Step 4: Simplify right side
    101,070.40x = 9,653,137,887.12
  5. Step 5: Solve for x
    x = 9,653,137,887.12/101,070.40
  6. Step 6: Final answer
    x = 95,509.05

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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.