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Finding the Fourth Proportional to 224,720.69, 310,112.48 and 122,746.11

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Solution

The fourth proportional to 224,720.69, 310,112.48 and 122,746.11 is: 169,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,720.69 : 310,112.48 = 122,746.11 : x
  2. Step 2: Convert to fraction form
    224,720.69/310,112.48 = 122,746.11/x
  3. Step 3: Cross multiply
    224,720.69x = 310,112.48 × 122,746.11
  4. Step 4: Simplify right side
    224,720.69x = 38,065,100,889.32
  5. Step 5: Solve for x
    x = 38,065,100,889.32/224,720.69
  6. Step 6: Final answer
    x = 169,388.51

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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.