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Finding the Fourth Proportional to 191,169.04, 263,886.42 and 127,483.60

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Solution

The fourth proportional to 191,169.04, 263,886.42 and 127,483.60 is: 175,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,169.04 : 263,886.42 = 127,483.60 : x
  2. Step 2: Convert to fraction form
    191,169.04/263,886.42 = 127,483.60/x
  3. Step 3: Cross multiply
    191,169.04x = 263,886.42 × 127,483.60
  4. Step 4: Simplify right side
    191,169.04x = 33,641,190,812.71
  5. Step 5: Solve for x
    x = 33,641,190,812.71/191,169.04
  6. Step 6: Final answer
    x = 175,976.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.