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Finding the Fourth Proportional to 302,370.48, 453,223.44 and 124,781.40

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Solution

The fourth proportional to 302,370.48, 453,223.44 and 124,781.40 is: 187,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,370.48 : 453,223.44 = 124,781.40 : x
  2. Step 2: Convert to fraction form
    302,370.48/453,223.44 = 124,781.40/x
  3. Step 3: Cross multiply
    302,370.48x = 453,223.44 × 124,781.40
  4. Step 4: Simplify right side
    302,370.48x = 56,553,855,356.02
  5. Step 5: Solve for x
    x = 56,553,855,356.02/302,370.48
  6. Step 6: Final answer
    x = 187,034.98

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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.