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Finding the Fourth Proportional to 224,953.38, 310,420.88 and 129,444.66

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Solution

The fourth proportional to 224,953.38, 310,420.88 and 129,444.66 is: 178,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,953.38 : 310,420.88 = 129,444.66 : x
  2. Step 2: Convert to fraction form
    224,953.38/310,420.88 = 129,444.66/x
  3. Step 3: Cross multiply
    224,953.38x = 310,420.88 × 129,444.66
  4. Step 4: Simplify right side
    224,953.38x = 40,182,325,268.50
  5. Step 5: Solve for x
    x = 40,182,325,268.50/224,953.38
  6. Step 6: Final answer
    x = 178,625.12

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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.