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Finding the Fourth Proportional to 133,053.90, 199,580.85 and 127,805.10

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Solution

The fourth proportional to 133,053.90, 199,580.85 and 127,805.10 is: 191,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.90 : 199,580.85 = 127,805.10 : x
  2. Step 2: Convert to fraction form
    133,053.90/199,580.85 = 127,805.10/x
  3. Step 3: Cross multiply
    133,053.90x = 199,580.85 × 127,805.10
  4. Step 4: Simplify right side
    133,053.90x = 25,507,450,492.34
  5. Step 5: Solve for x
    x = 25,507,450,492.34/133,053.90
  6. Step 6: Final answer
    x = 191,707.65

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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.