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Finding the Fourth Proportional to 95,909.60, 143,907.60 and 45,970.40

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Solution

The fourth proportional to 95,909.60, 143,907.60 and 45,970.40 is: 68,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,909.60 : 143,907.60 = 45,970.40 : x
  2. Step 2: Convert to fraction form
    95,909.60/143,907.60 = 45,970.40/x
  3. Step 3: Cross multiply
    95,909.60x = 143,907.60 × 45,970.40
  4. Step 4: Simplify right side
    95,909.60x = 6,615,489,935.04
  5. Step 5: Solve for x
    x = 6,615,489,935.04/95,909.60
  6. Step 6: Final answer
    x = 68,976.31

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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.