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Finding the Fourth Proportional to 255,593.49, 352,779.08 and 158,870.31

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Solution

The fourth proportional to 255,593.49, 352,779.08 and 158,870.31 is: 219,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,593.49 : 352,779.08 = 158,870.31 : x
  2. Step 2: Convert to fraction form
    255,593.49/352,779.08 = 158,870.31/x
  3. Step 3: Cross multiply
    255,593.49x = 352,779.08 × 158,870.31
  4. Step 4: Simplify right side
    255,593.49x = 56,046,121,006.76
  5. Step 5: Solve for x
    x = 56,046,121,006.76/255,593.49
  6. Step 6: Final answer
    x = 219,278.36

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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.