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Finding the Fourth Proportional to 133,430.76, 200,160.06 and 43,480.47

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Solution

The fourth proportional to 133,430.76, 200,160.06 and 43,480.47 is: 65,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,430.76 : 200,160.06 = 43,480.47 : x
  2. Step 2: Convert to fraction form
    133,430.76/200,160.06 = 43,480.47/x
  3. Step 3: Cross multiply
    133,430.76x = 200,160.06 × 43,480.47
  4. Step 4: Simplify right side
    133,430.76x = 8,703,053,484.03
  5. Step 5: Solve for x
    x = 8,703,053,484.03/133,430.76
  6. Step 6: Final answer
    x = 65,225.24

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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.