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Finding the Fourth Proportional to 224,884.48, 310,328.40 and 124,276

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Solution

The fourth proportional to 224,884.48, 310,328.40 and 124,276 is: 171,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,884.48 : 310,328.40 = 124,276 : x
  2. Step 2: Convert to fraction form
    224,884.48/310,328.40 = 124,276/x
  3. Step 3: Cross multiply
    224,884.48x = 310,328.40 × 124,276
  4. Step 4: Simplify right side
    224,884.48x = 38,566,372,238.40
  5. Step 5: Solve for x
    x = 38,566,372,238.40/224,884.48
  6. Step 6: Final answer
    x = 171,494.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.