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Finding the Fourth Proportional to 127,404.10, 191,106.15 and 119,530.90

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Solution

The fourth proportional to 127,404.10, 191,106.15 and 119,530.90 is: 179,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,404.10 : 191,106.15 = 119,530.90 : x
  2. Step 2: Convert to fraction form
    127,404.10/191,106.15 = 119,530.90/x
  3. Step 3: Cross multiply
    127,404.10x = 191,106.15 × 119,530.90
  4. Step 4: Simplify right side
    127,404.10x = 22,843,090,105.04
  5. Step 5: Solve for x
    x = 22,843,090,105.04/127,404.10
  6. Step 6: Final answer
    x = 179,296.35

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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.