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Finding the Fourth Proportional to 229,368.00, 316,523.83 and 127,389.56

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Solution

The fourth proportional to 229,368.00, 316,523.83 and 127,389.56 is: 175,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,368.00 : 316,523.83 = 127,389.56 : x
  2. Step 2: Convert to fraction form
    229,368.00/316,523.83 = 127,389.56/x
  3. Step 3: Cross multiply
    229,368.00x = 316,523.83 × 127,389.56
  4. Step 4: Simplify right side
    229,368.00x = 40,321,831,193.14
  5. Step 5: Solve for x
    x = 40,321,831,193.14/229,368.00
  6. Step 6: Final answer
    x = 175,795.36

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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.