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Finding the Fourth Proportional to 224,741.66, 310,152.54 and 129,248.33

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Solution

The fourth proportional to 224,741.66, 310,152.54 and 129,248.33 is: 178,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,741.66 : 310,152.54 = 129,248.33 : x
  2. Step 2: Convert to fraction form
    224,741.66/310,152.54 = 129,248.33/x
  3. Step 3: Cross multiply
    224,741.66x = 310,152.54 × 129,248.33
  4. Step 4: Simplify right side
    224,741.66x = 40,086,697,840.26
  5. Step 5: Solve for x
    x = 40,086,697,840.26/224,741.66
  6. Step 6: Final answer
    x = 178,367.90

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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.