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Finding the Fourth Proportional to 127,323.40, 190,985.10 and 44,217.40

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Solution

The fourth proportional to 127,323.40, 190,985.10 and 44,217.40 is: 66,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,323.40 : 190,985.10 = 44,217.40 : x
  2. Step 2: Convert to fraction form
    127,323.40/190,985.10 = 44,217.40/x
  3. Step 3: Cross multiply
    127,323.40x = 190,985.10 × 44,217.40
  4. Step 4: Simplify right side
    127,323.40x = 8,444,864,560.74
  5. Step 5: Solve for x
    x = 8,444,864,560.74/127,323.40
  6. Step 6: Final answer
    x = 66,326.10

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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.