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Finding the Fourth Proportional to 235,159.30, 324,521.59 and 127,729.31

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Solution

The fourth proportional to 235,159.30, 324,521.59 and 127,729.31 is: 176,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,159.30 : 324,521.59 = 127,729.31 : x
  2. Step 2: Convert to fraction form
    235,159.30/324,521.59 = 127,729.31/x
  3. Step 3: Cross multiply
    235,159.30x = 324,521.59 × 127,729.31
  4. Step 4: Simplify right side
    235,159.30x = 41,450,917,068.36
  5. Step 5: Solve for x
    x = 41,450,917,068.36/235,159.30
  6. Step 6: Final answer
    x = 176,267.39

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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.