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Finding the Fourth Proportional to 223,854.41, 308,903.47 and 127,060.25

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Solution

The fourth proportional to 223,854.41, 308,903.47 and 127,060.25 is: 175,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,854.41 : 308,903.47 = 127,060.25 : x
  2. Step 2: Convert to fraction form
    223,854.41/308,903.47 = 127,060.25/x
  3. Step 3: Cross multiply
    223,854.41x = 308,903.47 × 127,060.25
  4. Step 4: Simplify right side
    223,854.41x = 39,249,350,976.61
  5. Step 5: Solve for x
    x = 39,249,350,976.61/223,854.41
  6. Step 6: Final answer
    x = 175,334.28

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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.