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Finding the Fourth Proportional to 223,386.53, 308,280.29 and 127,923.98

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Solution

The fourth proportional to 223,386.53, 308,280.29 and 127,923.98 is: 176,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,386.53 : 308,280.29 = 127,923.98 : x
  2. Step 2: Convert to fraction form
    223,386.53/308,280.29 = 127,923.98/x
  3. Step 3: Cross multiply
    223,386.53x = 308,280.29 × 127,923.98
  4. Step 4: Simplify right side
    223,386.53x = 39,436,439,471.33
  5. Step 5: Solve for x
    x = 39,436,439,471.33/223,386.53
  6. Step 6: Final answer
    x = 176,539.03

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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.