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Finding the Fourth Proportional to 127,814.90, 191,722.35 and 96,710.90

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Solution

The fourth proportional to 127,814.90, 191,722.35 and 96,710.90 is: 145,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.90 : 191,722.35 = 96,710.90 : x
  2. Step 2: Convert to fraction form
    127,814.90/191,722.35 = 96,710.90/x
  3. Step 3: Cross multiply
    127,814.90x = 191,722.35 × 96,710.90
  4. Step 4: Simplify right side
    127,814.90x = 18,541,641,018.62
  5. Step 5: Solve for x
    x = 18,541,641,018.62/127,814.90
  6. Step 6: Final answer
    x = 145,066.35

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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.