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Finding the Fourth Proportional to 229,314.30, 343,453.05 and 136,002.30

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Solution

The fourth proportional to 229,314.30, 343,453.05 and 136,002.30 is: 203,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,314.30 : 343,453.05 = 136,002.30 : x
  2. Step 2: Convert to fraction form
    229,314.30/343,453.05 = 136,002.30/x
  3. Step 3: Cross multiply
    229,314.30x = 343,453.05 × 136,002.30
  4. Step 4: Simplify right side
    229,314.30x = 46,710,404,742.02
  5. Step 5: Solve for x
    x = 46,710,404,742.02/229,314.30
  6. Step 6: Final answer
    x = 203,696.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.