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Finding the Fourth Proportional to 229,216.02, 316,313.13 and 127,235.58

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Solution

The fourth proportional to 229,216.02, 316,313.13 and 127,235.58 is: 175,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,216.02 : 316,313.13 = 127,235.58 : x
  2. Step 2: Convert to fraction form
    229,216.02/316,313.13 = 127,235.58/x
  3. Step 3: Cross multiply
    229,216.02x = 316,313.13 × 127,235.58
  4. Step 4: Simplify right side
    229,216.02x = 40,246,284,557.17
  5. Step 5: Solve for x
    x = 40,246,284,557.17/229,216.02
  6. Step 6: Final answer
    x = 175,582.34

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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.