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Finding the Fourth Proportional to 224,640.06, 310,001.76 and 124,038.06

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Solution

The fourth proportional to 224,640.06, 310,001.76 and 124,038.06 is: 171,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,640.06 : 310,001.76 = 124,038.06 : x
  2. Step 2: Convert to fraction form
    224,640.06/310,001.76 = 124,038.06/x
  3. Step 3: Cross multiply
    224,640.06x = 310,001.76 × 124,038.06
  4. Step 4: Simplify right side
    224,640.06x = 38,452,016,906.99
  5. Step 5: Solve for x
    x = 38,452,016,906.99/224,640.06
  6. Step 6: Final answer
    x = 171,171.68

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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.