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Finding the Fourth Proportional to 302,460.13, 453,792.80 and 133,957.81

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Solution

The fourth proportional to 302,460.13, 453,792.80 and 133,957.81 is: 200,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,460.13 : 453,792.80 = 133,957.81 : x
  2. Step 2: Convert to fraction form
    302,460.13/453,792.80 = 133,957.81/x
  3. Step 3: Cross multiply
    302,460.13x = 453,792.80 × 133,957.81
  4. Step 4: Simplify right side
    302,460.13x = 60,789,089,681.77
  5. Step 5: Solve for x
    x = 60,789,089,681.77/302,460.13
  6. Step 6: Final answer
    x = 200,982.16

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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.