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Finding the Fourth Proportional to 224,727.26, 310,112.79 and 124,123.10

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Solution

The fourth proportional to 224,727.26, 310,112.79 and 124,123.10 is: 171,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,727.26 : 310,112.79 = 124,123.10 : x
  2. Step 2: Convert to fraction form
    224,727.26/310,112.79 = 124,123.10/x
  3. Step 3: Cross multiply
    224,727.26x = 310,112.79 × 124,123.10
  4. Step 4: Simplify right side
    224,727.26x = 38,492,160,844.45
  5. Step 5: Solve for x
    x = 38,492,160,844.45/224,727.26
  6. Step 6: Final answer
    x = 171,283.90

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1.5x scale

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.