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Finding the Fourth Proportional to 229,365.69, 316,506.51 and 127,381.29

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Solution

The fourth proportional to 229,365.69, 316,506.51 and 127,381.29 is: 175,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,365.69 : 316,506.51 = 127,381.29 : x
  2. Step 2: Convert to fraction form
    229,365.69/316,506.51 = 127,381.29/x
  3. Step 3: Cross multiply
    229,365.69x = 316,506.51 × 127,381.29
  4. Step 4: Simplify right side
    229,365.69x = 40,317,007,537.20
  5. Step 5: Solve for x
    x = 40,317,007,537.20/229,365.69
  6. Step 6: Final answer
    x = 175,776.10

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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.