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Finding the Fourth Proportional to 229,735, 317,042.60 and 127,770.92

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Solution

The fourth proportional to 229,735, 317,042.60 and 127,770.92 is: 176,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,735 : 317,042.60 = 127,770.92 : x
  2. Step 2: Convert to fraction form
    229,735/317,042.60 = 127,770.92/x
  3. Step 3: Cross multiply
    229,735x = 317,042.60 × 127,770.92
  4. Step 4: Simplify right side
    229,735x = 40,508,824,681.19
  5. Step 5: Solve for x
    x = 40,508,824,681.19/229,735
  6. Step 6: Final answer
    x = 176,328.49

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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.