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Finding the Fourth Proportional to 229,365.27, 316,513.31 and 127,397.34

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Solution

The fourth proportional to 229,365.27, 316,513.31 and 127,397.34 is: 175,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,365.27 : 316,513.31 = 127,397.34 : x
  2. Step 2: Convert to fraction form
    229,365.27/316,513.31 = 127,397.34/x
  3. Step 3: Cross multiply
    229,365.27x = 316,513.31 × 127,397.34
  4. Step 4: Simplify right side
    229,365.27x = 40,322,953,131.61
  5. Step 5: Solve for x
    x = 40,322,953,131.61/229,365.27
  6. Step 6: Final answer
    x = 175,802.35

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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.