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Finding the Fourth Proportional to 302,607.90, 453,875.40 and 125,096.40

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Solution

The fourth proportional to 302,607.90, 453,875.40 and 125,096.40 is: 187,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,607.90 : 453,875.40 = 125,096.40 : x
  2. Step 2: Convert to fraction form
    302,607.90/453,875.40 = 125,096.40/x
  3. Step 3: Cross multiply
    302,607.90x = 453,875.40 × 125,096.40
  4. Step 4: Simplify right side
    302,607.90x = 56,778,178,588.56
  5. Step 5: Solve for x
    x = 56,778,178,588.56/302,607.90
  6. Step 6: Final answer
    x = 187,629.53

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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.