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Finding the Fourth Proportional to 229,511, 316,718.34 and 127,536.14

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Solution

The fourth proportional to 229,511, 316,718.34 and 127,536.14 is: 175,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,511 : 316,718.34 = 127,536.14 : x
  2. Step 2: Convert to fraction form
    229,511/316,718.34 = 127,536.14/x
  3. Step 3: Cross multiply
    229,511x = 316,718.34 × 127,536.14
  4. Step 4: Simplify right side
    229,511x = 40,393,034,550.81
  5. Step 5: Solve for x
    x = 40,393,034,550.81/229,511
  6. Step 6: Final answer
    x = 175,996.07

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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.