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Finding the Fourth Proportional to 188,675.52, 260,348.50 and 127,554.62

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Solution

The fourth proportional to 188,675.52, 260,348.50 and 127,554.62 is: 176,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,675.52 : 260,348.50 = 127,554.62 : x
  2. Step 2: Convert to fraction form
    188,675.52/260,348.50 = 127,554.62/x
  3. Step 3: Cross multiply
    188,675.52x = 260,348.50 × 127,554.62
  4. Step 4: Simplify right side
    188,675.52x = 33,208,653,985.07
  5. Step 5: Solve for x
    x = 33,208,653,985.07/188,675.52
  6. Step 6: Final answer
    x = 176,009.34

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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.