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Finding the Fourth Proportional to 223,387.03, 308,280.98 and 127,924.48

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Solution

The fourth proportional to 223,387.03, 308,280.98 and 127,924.48 is: 176,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,387.03 : 308,280.98 = 127,924.48 : x
  2. Step 2: Convert to fraction form
    223,387.03/308,280.98 = 127,924.48/x
  3. Step 3: Cross multiply
    223,387.03x = 308,280.98 × 127,924.48
  4. Step 4: Simplify right side
    223,387.03x = 39,436,681,879.36
  5. Step 5: Solve for x
    x = 39,436,681,879.36/223,387.03
  6. Step 6: Final answer
    x = 176,539.72

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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.